Solve and show steps please please please I NEED HELP ASAP ILL MARK AS Brainlsit plsss

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12