r^2-3r-54=0
Solve by completing the square and show you work please so I can understand how to do it

Answer:

r = 9, -6

Step-by-step explanation:

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Three rose shrubs cost $32.94, Five rose shrubs cost $54.90 and Nine rose shrubs cost $98.82. Is the relationship proportional?

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What operation should you perform first when you evaluate this expression? (15 x 5 x 4) x 3 *
Answers:
15x5
5x4
4x3

An object’s height is measured in centimeters and in inches. Two rulers, one showing inches, the other showing centimeters. The rulers are aligned at zero. An arrow extends from the one inch mark on the first ruler toward the equivalent length on the other ruler, with the caption, one inch equals two and fifty-four hundredths centimeters. Write an equation that relates the number of centimeters c to the number of inches i. Determine the height in centimeters of a chair that is 32 inches tall. Enter the correct answers in the boxes.

What is the unknown fraction?

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I’m really confused, please help me.

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At the start of 6th grade, Maya measured 140 cm tall. At the start of 7th grade, Maya was 150.5 cm tall. What is the percent increase in Maya's height between the start of 6th and 7th grade?

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Which set of data has a range with the greatest difference?

A. 40, 31, 28, 34, 23
B. 26, 36, 41, 30, 48
C. 12, 24, 35, 16, 30
D. 12, 21, 32, 8, 15

A high school track is shaped as a rectangle with a half circle on either side. Jasmine plans on running three laps. How many yards will Jasmine run? Use 3.14 for Pi.

A. 248.5 yd
B. 490.5 yd
C. 725.5 yd
D. 745.5 yd

Each spoke on the rim of a bicycle tire is 12 inches long, as shown below.
Which is closest to the circumference of the tire rim?
Select one:

96.00 inches

113.04 inches

75.36 inches

37.68 inches

15 point, please help :>

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During a road trip, Daysia keeps track of the time she spends driving, t, and the distance she drives, d. Which best describes the variable t and d ? Choose the correct answer.

a
The variable d, distance is the independent variable because it determines the amount of time spent driving, t.

b
The variable d, distance is the dependent variable because it depends on the amount of time spent driving, t.

c
The variable d is independent of variable t, and variable t is independent of variable d.

d
Both variables are dependent variables because they depend on the speed at which Daysia drives

Choose the missing numbers that make the following expressions equivalent.
_____x + 14 and 7(5x + _____)

A. 35; 7
B. 30; 7
C. 5; 2
D. 35; 2

The owner of a new coffee shop is keeping track of how much each customer spends (in dollars). One hundred of these amounts are shown in the table below. These amounts will form the population for this question.

dollar amounts

A random number table was used to generate the following numbers: 01, 03, 72, 15, 53, 20, 07, 63, 82, and 91. Use these two digit numbers to select a random sample from the table above. (NOTE: these are NOT dollar amounts. You use these digits to find the dollar amounts.)

Which choice below reflects the random sample of the 10 dollar amounts you found?

Question 3 options:

4.67, 4.06, 4.75, 7.09, 4.10, 3.12, 4.91, 4.05, 5.00, and 5.58


4.67, 4.06, 4.94, 7.09, 4.10, 3.12, 4.91, 4.05, 5.00, and 5.58


6.18, 4.06, 4.94, 7.09, 4.10, 3.12, 4.91, 4.05, 5.00, 5.58


6.18, 4.06, 4.94, 7.09, 4.10, 3.12, 4.86, 4.05, 5.00 and 5.58

Now consider the family of lines ax + by = c such that a, b and c are consecutive multiples of each other. what would that mean? give some examples of such lines in this family (coordinates.) what do you notice or wonder?

I don't understand this ФωФ

Median:

What is the MEDIAN for this data set?

Katie went shopping and bought 4 sweaters that each cost the same amount and 1 skirt that cost $20. She spent a total of $160. What was the cost of each sweater?

Which statements are true about the circle shown below? Select two options.
A. The diameter is 31.4 centimeters.
B. The diameter is half the radius.
C. The circumference can be found by multiplying 2 (pi) (31.4).
D. The circumference in terms of Pi is 62.8 pi.
E. The distance around the circle is approximately 98 centimeters.

HELP PLS!! A company charges $50 per month for satellite television service plus an additional $5 for each movie ordered. The equation y = 50 + 5x describes the total amount y a customer will pay if they order x movie. Graph the function. Then, choose the correct amount they will pay for one month if they order 2 movies.

the midpoint of y and 31 is -5. what is y

how do you put 10,000,000 years in word form? (like a century, decade, millennium, myriad, etc) I will give you the brainiest answer if you can tell me!!! (if you do it for points you will get a warning)

Plss help me 5 more...

out of 225 people 110 liked the veggie burger what percent of people who surveyed liked the veggie burger? ​

sorry again. really really sorry. help.

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