Solve the system using substitution.

x + y = 8

y = 3x

A. (4, 12)

B. (2, 6)

C. (1/2, 3/2)

D. (-4, - 12)

Use the definitions for the sets given below to determine whether each statement is true or false: A = { x ∈ Z: x is an integer multiple of 3 } B = { x ∈ Z: x is a perfect square } C = { 4, 5, 9, 10 } D = { 2, 4, 11, 14 } E = { 3, 6, 9 } F =

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If y varies inversely as x and y=3 when x=8 what is x when y=4

Write a number greater than 714,587.

What times what equals 27

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The coefficients of the expression 2x^3-5x^2+x are: