alvin ran a 5-kilometer race. when he was halfway to the finish line, how many meters did he have left to run?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

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.