Acircle has an area of 16 pie square meters. what is the circumference of the circle? show how to solve. you

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13

16x^2-16x=5 solve the equation by completing the square