You scored 88, 92, and 87 on three tests. Write and solve an equation to fi nd the score you need on the fourth test so that your mean test score is 90.

If the decay of 742 mg of an isotope is described by the function A (t) = 742e-0.03t, where t is time in years. Find the amount left after 84 years. Round your answer to the nearest mg.

A car decelerates at a constant rate as it approaches a red light. The velocity of the car in meters per second as it decelerates is modeled by the function f (x) = - 4x+20, where x is time in seconds.

What are all the common factors of 16 and 64

If p (a) = 0.50, p (b) = 0.60, and p (a intersection b. = 0.30, what is the p (a union b) ? enter your answer as a decimal rounded to two places.

Monica has a 24-inch square frame. There are 4 equal sides. She paints 3/4 of one side of the frame blue. What fraction of the frame did Monica paint blue?

Angela bought 5 bottles of soda for a party. Each bottle was 2-liters. How many gallons of soda did she buy? Use 1 gallon = 3.785 liters

A sweater was marked up from $40 to $50. If p is the percent increase in the price of the sweater, which proportion can be used to calculate p? A. B. C. D.

Victor has a credit card with an APR of 13.66%, compounded monthly. He currently owes a balance of $1,349.34. Assuming that Victor makes no purchases or payments, how much will he owe after one year, to the nearest cent?

A bag contains 3 blue cards, 8 green cards, 12 red cards, and 4 yellow cards. You randomly choose a card.

Is 48 inches lesser than 2 yards and is 2 yards lesser than 7 yards