What is the area of the shaded portion of the circle?
(1611 – 32) in?
(1611 – 8) in
(6471 – 32) in
(6411 - 8) in?

For the following sequence determine the common difference (if it is an arithmetic sequence) or the common ratio (if it is a geometric sequence).

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9