Answer:
C. 7x^2 + x - 6
Step-by-step explanation:
f(x) = 2x^2 + 3x and g(x) = 5x^2 - 2x - 6
(f+g)(x) = 2x^2 + 3x + 5x^2 - 2x - 6
(f+g)(x) = 7x^2 + x - 6
2142.30435
Answer: it's D
there are 0.0283 kilograms in an ounce
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18 dollars and 21 cents. $18.21