1.) In a class of 45 students, 80% received A's on a Math test. How many students received an A?

2.) Mary spent 15 dollars. If this was 20% of her earnings, how much money did she earn?

16. What is the prime factorization of 24? A 2 х 3 B. 2x33 C. 2x3 D. 3x8

Caitlyn spends $17 at the store. She buys a mop for $5 and 3 bottles of floor cleane. If x represents the cost of each bottles of cleaner the equation that can be used to find the value of x is 3x+5=17.

A determined gardener has 120ft of deer-resistant fence. She wants to enclose a rectangular vegetable garden in her backyard, and she wants the area that is enclosed to be at least 800 square feet.

What is the radius and diameter of the following circle? 7.5 cm

How many gallons of propane in a hundred pound tank?

Heather is riding her bicycle. she takes 3 hours to ride 37.5 kilometers. what is her speed?

19. Two of the most dangerous animals in the enchanted forest are snakes and bears. The population of bears began with 100 bears in the year 2000 and increases at a rate of 4 bears per year.

A construction crew has just built a new road. It took them 4 weeks to build 5.12 kilometers of road. At what rate did they build the road?

Select the correct answer. What is the solution set of x2 + y2 = 26 and x - y = 6? { (5, - 1), (-5, 1) } { (1, 5), (5, 1) } { (-1, 5), (1, - 5) } { (5, - 1), (1, - 5) }

Find the probability of rolling a 6-sided die and getting a 3. write your answer as a fraction.