Expand 4 (5-2x) with working out

If the coefficient of determination is a positive value, then the regression equationa. must have a positive slopeb. must have a negative slopec. could have either a positive or a negative sloped. must have a positive y intercept

Joe has 17 coins, nickels and dimes, that total up to $1.25. How many nickels does he have?

Solve the system of equations below by graphing them with a pencil and paper. Enter your answer as an ordered pair. y=-3x+1 y=-x+5

Mariah cuts a rectangle along its diagonal. Two congruent triangles are created. The two angles created by the diagonal have a sum of 90°. The smaller angle is 1/5 the measure of the larger angle.

Factor the polynomial: - 5x3 - 10x2 - 15x A. - 5x (-x2 - 2x - 3) B. - 5x (x2 + 2x + 3) C. - 5x (x2 + 2x - 15) D. 5x (x2 + 2x - 3)

6 = a/4 + 2 How to solve this problem

Wayland purchased new speakers that were on sale for 30% of the regular price. He saved $36 which is 30% off. What is the regular price of the speakers when they were not on sale?

What is the answer for 33 and 1/2 times60

Three more than 7k written in algebraic expression

A polygon of 7 line segments has __ vertices? 5 8 7 6