Frank bought a new video game. the 5%sales tax was 0.75 what was the price of the game before tax

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?