Multiply. Write the answer in simplest form.
2 1/3 x 3/10

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours