Ms. Keller is grading semester projects. In the past two hours, she has graded five projects. At this rate, she will grade projects in seven hours at a rate of projects per hour.

it 2

step-by-step explanation:

8^1/3=2

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.