Lydia has a flower planter box that has a rectangular base whose area is 2 square feet. The sides are 1 foot tall. How many cubic inches of potting soil does she need to fill the planter box to 7/8 full? Answer with numbers only to the nearest cubic inch.
cubic inches

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

a) 7x=7

step-by-step explanation:

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