What is the center of a circle represented by the equation ( x + 9)2 + ( y + 6 )2= 10^2

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Simply 8x squared + 5(7x squared- x) - 2x =

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old