The surface area of the above figure is?

A. 301.6 cm²

Step-by-step explanation:

The formula for surface area of a cylinder is

SA = 2πr² + 2πrh      where r is the radius of the base, and h is the height

2πr² represents the area of the  top and bottom circles

2πrh represents the area of the side if it were uncurled.  When uncurled you would have a rectangle.  It is as long around as the circumference of the circle (2πr) and has a given height.  So the length is 2πr, and the width is the height of the cylinder.

We are given r = 4 and h = 8. so we have...

SA = 2π(4²) + 2π(4)(8)

   SA = 32π + 64π

         SA = 96π

            SA = 301.5928947, which rounds to 301.6 cm²

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.