What is the measure of

On a piece of paper graph f(x)=5•(0.4)^x

What is the perimeter of a rectangle if the length is 5 and the width is x?

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?