Given f (x) = 2x^2 + 3x and g (x) = 5x^2 - 2x - 6

What is (f+g) (x) ?

A. - 3x^2 + 5x + 6

B. 10x^2 + x + 6

C. 7x^2 + x - 6

D. 3x^2 - 5x - 6

What's is 66tens-30tens?

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What's the answer for 5x-2y=30