Donna had $9 in her bank account. She made $16 when she mowed her neighbors' lawns. Then, she spent $27 at the movies. How much is left in Donna's bank account?
$-2
$-20
$16
$52

Which is a graph of a proportional relationship?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Write the factored form of this trinomial 9x^2+18x-7