What is the variable in this expression?

9x + 5

In a race, a bicyclist travels 180 miles in 10 hours what is the unit rate in miles per hour? Question A 9 Miles per hour Question B 18 Miles per hour Question C 20 Miles Per hour Question D 25 Miles Per Hour

A grocer took a random survey of 40 customers. 12 customers would like the store to stay open later. Suppose the grocer surveyed 100 more customers. How many of those 100 customers would likely want the store to stay open later? A. 24 B. 30 C. 36 D.

Graph the functions below. Arrange the parabolas with respect to the position of their vertices from left to right. y=F (4x+3) y=F (x-3) y=F (2x-1) y=F (x/2-2 y=F (x-7) y=F (x+3) / 3 y=F (x-2)

How many cities could have an annual rainfall of 28.5in-32.5in? A. 6 B. 9 C. 8 D. 12

A simple random sample of size n from a finite population of size N is a sample selected such that each possible sample of size n a. has the same probability of being selected b. has a probability of 1/n of being selected c.

Amanda's computer weighs 56 ounces. how many pounds does it weigh?

Change 5 ft. to yards

The admission to the fair is $5 and the cost per ride is 50 cents. If his parents give hime $20, write and solve a linear equation to find how many rides he can go on.

8 1/4 pounds of carrots to make 6 carrot cakes. how many pounds of carrots does frank need to make one carrot cake.

If a question asks you to find f (2), what does that mean?