Use the vertical method to multiply (4a^3-2a+3a^2+1) and (3-2a+a^2) what would be the value of b?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

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

Need on this geometry question. explain how you did it.