Following is a list of bank transactions Tiana made this month. The variable, b, represents her initial balance. Deposit $275.
Withdraw $18b.
Withdraw $14b.
Deposit $320.
Which expression represents the change in her account balance this month?

−595+38b
595+38b
595+(−38b)
−595+(−38b)

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost