The answer is: [D]: " C = 2 π r " .
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Answer:
the second one
Step-by-step explanation:
2y+3x-5x^2-g contains 4 terms that cannot be further simplified without know the values for the variables y, x, and g. Although 3x and -5x^2 contain the same variable x, since they have have different exponents, we can not directly add them together without knowing the value of x.
The answer is 4.
The cross section is 10 ft by 15 ft