The stem-and-leaf plot shows the ages of the volunteers at a beach cleanup. how many of the volunteers were less than 20 or older than 40 years old?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls