Astore has 660 books in stock. if 30 percent of these books are on sale, how many books are on sale?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2

What is the value of the product (3-2i)(3+2i)?

How do i i solve this equation? -18 = x/3 + 3