Write the numerical expression. The difference between 8 forty sevens and 7 forty sevens

Which math sentence can be used to determine if the triangle is a right triangle?

2.5 milligrams is equivalent to how many grams

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.