What is the average rate of change in minutes per year of time a person spends sleeping each night from age 20 to age 80?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

What is the solution to the equation in the & show work i’m very