Find the value of the expression 8x^3 if x= -2

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months