Cory is building a model and needs 12 identical rods which are each 3/4 inch long. He wants to cut them all from the same rod. How long of a rod does he need?

Write the expression 7x^3-28xy^2 as the product of 3 factors

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.