Find the product. -2xa(-4xb - 2x 3 + 5x)

8 x^a+b + 4 x^a+3 - 10 x^a+1
-8 x^a+b - 4 x^a+3 - 10 x^a+1
8 x^a+b + 4 x^3a - 10 x^a

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.