Tom won 50 pencils in a contest. He gave away 30 pencils and then gave 5 more to his friend Ben. Which expression can Tom use to find how many pencils he has left? answer quickly pls

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

Solve for x, y, and z. show all steps.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.