Which of the following ordered pairs is a solution to the following equation: y= -4x 2 squared:
choices:
a.) (-2,16)
b.) (1, -8)
c.) 0, -4)
d.) 2, -16)
hurry! i need the !

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

True or false? a circle could be circumscribed about the quadrilateral below.

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?