Find x in each diagram below simplify any radicals

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Nikolas calculated the volume of the prism. his work is shown below.

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

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so