Which is the completely factored form of 12x4 + 39x3 + 9x2? 3x2(x – 3)(4x – 1) 3x2(x + 3)(4x + 1) 3x(x + 3)(4x + 1) 3x(x – 3)(4x + 1)

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).