Consider the quadratic function that has x-intercepts of -1 and -7 and passes throught the point (-2,-20) what is the value of a in the factored form of this function?

On a piece of paper graph f(x)=5•(0.4)^x

How to solve a simultaneous equation involved with fractions?

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