7. Under the rules of the United States Golf Association, the volume of a golf ball cannot be less than 2.48 cubic inches.
a. Calculate the radius of this golf ball
b. Calculate the circumference of this golf ball.

72 fudge and 75 toffee

step-by-step explanation:

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see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2

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