Statistics Homework Help

Hello , I need help with the following math problem. Can you please show solution ?

1

Solve the problem. A sprinkler rotates 360° to water a circular region. If the total area watered is approximately  2,200 yd 2  determine the radius of the region (the radius is length of the stream of water). Round the answer to the nearest yard.

Question 2

Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial.

Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial

t2 -13/4t + N