Which expression is equivalent to 30(1/2x-2)+40(3/4y-4) o 45xy-220
o 15x-30y-220
o 15x+30y-220
o 15x+30y-64

Drag each scenario to show whether the final result will be greater than the original value, less than the original value, or the same as the original value. 1. a 25% decrease followed by a 50% increase 2. a 20% decrease followed by a 25% increase

Find the missing factor. write your answer inexponential form.9^2=9^4×

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?