Find the measure of line segment EF. Please!!

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1