Which choice is equivalent to the fraction below when x is an appropriate value? hint: rationalize the denominator and simplify.

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

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

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.