(2x+ 2) +(3 - 5x) 4.) (3x3 - 4x4) +(2x + 5x4)

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Step-by-step explanation:

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When there is a ( + ) in front of expression in parentheses , the expression remains the same.

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Collect like terms

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Add the numbers

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When there is a ( + ) in front of expression in parantheses , the expression remains the same

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Collect like terms

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80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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