The product of 3 and a number creased by 10 is 28.

a. 3x - 28 = 10

b. 3x - 10 = 28

c. 3x + 28 = 10

d. 3x + 10 = 28

Solve the equation cd d = 6 for c.

Expand. Your answer should be a polynomial in standard form. (x-5) ^ 2 =

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3x + 2y = 6 2x + 5y = 7