Which expression is an example of a difference of squares? O 4.2 + 16
O 22 - 21
9x - 64
25.22
- 81​

Acircle has a circumference of 28.36 units what is the diameter of the circle

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

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