the width of a rectangle is 8×-7 feet and the length is 3×+10 feet. fnd the perimeter of the rectangle

The bike store marks up the wholesale cost of all the bikes they sell by 30% and andre wants to buy a bike that has a price tag of 125 what was the wholesale cost of the bike

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

I’m stuck on this equation, anyone got the answer?