Solve using substitution.

-3x + y = - 5

-9x + 5y = - 19

Factor the expression: 12x^2-16x

Which equations model exponential growth? Select each correct answer. (There might be more than one answer) y=4.2 (1.25) x y=0.25 (2) x y=2 (0.20) x y=0.55 (0.91) x

Write out the following proportions in words. 81/9 = 45/5

find two numbers that have square roots between 7 and 8. one number should have a square root closer to 7 and the other should have a square root closer to 8. justify your answer.

What is the value of the 11th term in the following geometric sequence? -5, - 10, - 20, - 40 -5,120 -100 -180 -19,531,250

When factored completely, the expression p^4-81 is equivalent to what?

A shoe box is covered with packing paper before being shipped. The paper costs $0.01 per square inch. How much will it cost to cover three pairs of shoes? The length is 16 and the width is 10, the height is 8.

Evaluate the expression: v ⋅ w Given the vectors: r =; v =; w =

800.5x (2x20to the 6 power

Find the value of x when 6 minus 4 xequals6 x minus 8 x plus 10.