Can anyone explain how to do coordinate geometry with variables??? I have to figure out what M would be (circled in red)
Im in 9th grade geometry by the way

Np4=12np2 with clear explanation.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.