At 7pm last night, the temperature was 10. at 7am the temperature was -7 . by how
much did the temperature change from 7 p. m. to 7 a. m.

It dropped 17°

Step-by-step explanation:

If you have a number line with negative integers, and you count the difference between 10 and -7,  you get your answer!

Hope I helped : )

  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.