Please help me I don’t understand

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

What is another way to express 36 +32