Ratio problem, give solution as well.
a dealer raises the price of a $24000 air conditioning unit by 12.5 %. to restore the previous price, he must reduce the new price by what percent ?

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

What is the area of the trapezoid shown ?

Solve 2x+y=3 x+y=5 in substitution method