Which of the following equations represents a quadratic function?

a. x=y^2-2y+4

b. y=3x^2-5x+9

c. y=-2x^2+16√x-64

d. -5x+3y=-4

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called