What is 3c+2(2c+5)=3 solve what is d-15.6=2d-556.3 solve what is 9b-10=2(3b+4) solveme 20 points

3c+2(2c+5)=3 c= -1

d-15.6=2d-556.3 d=540.7

9b-10=2(3b+4) b=6

Step-by-step explanation:

  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.

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0