1. State the degree of each function and whether each is linear, quadratic or neither. [1 mark each]

a) f(x) = (x-2)(x+2)

b) f(x) = 3(x + 2)^2 - 3x^2

PLEAS HEL...please include the answers for both A and B. THANK YOU SO MUCH

Answer question above and explain each step : )

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170