What is the answer to the question in the picture above

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

What is the total surface area of this square pyramid?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2