Suppose Q is the midpoint of line segment PR, PQ=x+10, and QR=4x−2. What is the value of PR

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

The solid that is formed and usually sinks to the bottom of a solution is the