Assume they are back-charged that rate from the beginning of the promotional period, how much will they owe in finance charges for the first year? HINT - Interest multiplied to amount financed.

for the points! : )

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

i believe it is the square root of 122 because when you turn it on it's side, to where the 5 inches is on the bottom, it looks like it is the same length.