a triangular prism Has triple the volume than the volume of a rectangular prism, How is that possible?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40