The response of randomly-selected people to the question, "how many hours of sleep did you get last night?"

Which equation represents a line which is perpendicular to the line y=0

Which expression is equivalent to 4 (3n-5) ? A. 7n - 9 B. 7n - 20 C. 12n-5 D. 12n-20

Dane's puppy weighted 8 ounces when it was born. Now the puppy weights 18 times as much as it did when it was born. How many pounds does Dane's puppy weigh now?

Noah jumped rope for 9 minutes. What percentage of Diego's time is that? Diego's time is 20.

There are a total of 75 students in the robotics club and science club. The science club has 9 more students than the robotics club. How many students are in the science club?

How many ways can a committee of three people be selected from a group of 20?

Suppose you and some friends are going to the movies. The amount of money you spend for tickets varies directly with the number of people buying tickets. If you spend $48 for six tickets, what is the constant of variation?

DO, K = (2, 4) (8, 16) The dilation is an expansion. True or False?

Whats 2r + 1 if r = 3

Do you want an overestimate or an underestimate when you estimate the total cost of items you want to buy? Explain