There are 20 paintings in an art museum 5 of them are required to repair. How many choice there if 8 painting, which are not required to repair, are chosen for an oversea exhibition?​

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?