The quotient of 5 plus a number w and negative 5 is 36

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189