John bought a bicycle for $20 sold it for $30 rebought it for $40 and resold it for $50. How much money did he make or loose?

What is the greatest common factor of 40 and 27?

Is f (x) = 7 sin^3 x periodic

What is the unit rate 1/2:$1.25

Write an inequality for the description of: ten times a number increased by four is no more than twenty five

11. Which line is parallel to y=5x+2/3 * y = 5x + 3 y = - 5x + 2/3 y = 1/5 x + 7 y = - 1/5 x + 9

Simplify: - 3 (y+2) ^2-5+6y what is the simplified product in standard form

Dale has 9 homework assignments due this week, and he needs to finish 2 of them before his friend comes over this afternoon. In how many orders can he pick out and complete 2 of the assignments?

What is the probability of drawing a pair of 6 inch pliers and NOT drawing a large hammer

Mrs. lauren made 12 pillows from 16 yards of the same fabric. how much fabric was used to make each pillow

Movie starts at 7:45 and its 1hr 26 min, what time would the movie end.