ANSWER AS SOON AS POSSIBLE FOR 25 POINTS ( AND PLEASE ANSWER CORRECTLY WITH AN EXPLANATION OF HOW YOU GOT IT ) If 2x^2 -5x+7 is subtracted from 4x^2+2x-11, what is the coefficient of x in the result?

A. 2
B. 7
C. -18

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

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?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?