Mr Goodwin finished grading his students homework at 4:12 PM if he spent an hour and 33 minutes doing this what time did he start

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Common binomial factor of 6x(3x+7)+5(3x+7)

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?