What does x ^2 + y^2 = 9 mean? what about x ^2 + y ^2 = 0 ? can a circle have a radius of − 3 ? why or why not?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as

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