The amount of time between interest payments is known as: A. period.
B. simple interest.
C. interest.
D. principal.

A. period.

This is the answer

you can use a^2+ b^2=c^2

363 square inches

step-by-step explanation:

surface area of a pyramid is b + 1/2ph

b is the area of the base: 11 x 11 = 121

p is the perimeter of the base: 11 + 11 + 11 + 11 = 44

h is the height of the pyramid: 11

121 + 1/2(44)(11)

121 + 242

363