Derek flips a fair coin 40 times. How many times can he expect heads to appear?

What are 5 ways to come up with the number 158?

Pyramid A is a square pyramid with a base side length of 12 inches and a height of 6 inches. Pyramid B has a volume of 2,880 cubic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percent.

You get dressed in the morning without looking at the colours of the clothes you choose. Your shirts are white or blue, your pants are black, red, or yellow, and your shoes are brown or black.

A 5 pound bag of Jolly Ranchers contains 350 Jolly Ranchers. If this particular bag costs $12.95, what is the approximate price of each Jolly Rancher?

What ratio is equivalent to 6/7

Determine how far the vehicle travels in 3 hours. A motorcycle travels 25 miles every 0.5 hour. The vehicle travels miles.

It takes a baseball player 16 seconds to round the bases and make it back to home plate home plate if it is 360 feet to go all around the bases then calculate the players average speed

Bruce and Mila are collecting baseball cards from their favorite teams, the Orioles and the Pirates. The equation r+p=28 represents the number of cards Bruce has. The equation 2r+p=43 represents the number of cards Mila has.

Kyra has a manufacturer's coupon for $5 off a box of diapers and a store coupon for 20% off any purchase. The store will let you use both coupons, but it does not have a policy about which coupon you must use first.

What does r equal? 5 (3-5r) + 3r = - (5r + 2)