There are 150 people in Mr. Frederick's high school classes. One tenth of the students are going to the wrestling match. One fifth of those students will be selling candy as a fundraiser. How many students are going to the match and selling candy? Provide your answer as a numerical answer.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

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.

Which one is the correct answer, and why?