Jon and lexi are playing a marble game. according to their rules 4 points are awarded for each red marble collected and 3 points are awarded for each blue marble collected. which expression represents jons total score if he has r red marbles and b blue marbles

Karl needs to build a stage that has an area of 72 square feet.the length of the stage should be longer than the width.what are the possible whole number measurements for the length and with of the stage complete the table with possible measurements of the stage

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?