12.5 feet long weighs 158 pounds. how much does a piece of the same steel pipe 18.75

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Solving algebraic equations 2m+3=11

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.