Find the total surface area of this cylinder

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

What is the definition of exponential decay?

What is the slope of the line that contains the points (-2,1) and (0,-3)