Katie solves 15 problems in 6 hours. At the same pace how long would it take her to solve 28 problems?

Why do two negatives equal a positive when multiplying?

A cube has a surface area of 294 square cm. Find the length of one side.

Find the maximum value of the objective function f (x, y) = x - y + 1, subject to the constraints x ≥ 0, - x + y ≥ 0, and y ≤ 2.

Estimate the following sum by rounding. 91,377+9,920=

A salesperson sold a total of $6,400.00. If her rate of commission is 6%, what is her commission?

A six sided die and a standard nickel are tossed. What is the probability that the number of dots on the upper face of the die is a prime number and the nickel lands heads facing up?

erica takes a cab to meet her grandmother at a musuem. her grandmother wiill giive her a ride hime. she only has$25.05 to spend and a cab cost.$3 plus $0.35 per mile.

Find the greatest possible value of the product xy, given that x and y are both positive and x + 2y = 30

Find the measure of the angle. Angles P and Q are complementary. m∠Q = 12° m∠P = 178° 68° 78° 168°

A box is 5 inches long, 4 inches wide, and 1 inch deep. How much space is inside the box?