Please giving away a lot of points​

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2