For the recursive definition, find an explicit formula that represents the same sequence. a(n) = a(n − 1) + 10; a(1) = 12
a. a(n) = 10n + 2
b. a(n) = 10a(n − 1) + 2
c. a(n) = 2n + 10
d. a(n) = 2a(n − 1) + 10

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright