-4x + 9 = -7x - 12 +7x +7x 3x + 9 +12 -9 -9 3X 3 = 3 3 x= 1 What is the error or is there no error ?

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Afootball is throw by a quarterback to a receiver

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm