– (+23) –(+56)+(-23) 2. (13-5)(-7-2)
3. [-3+7-(-4+6)] - [-8+(-6 -8)]
4. -{-8-[-4+(-4-7)]-34+(-2-3)}
5. |(-48)|- (-76) – (-14) -|-9-7|- (-67)
6. -2[-3+7-3(-4+6)]-[-8+3(-6-8)]

The answer is -178 :

  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.

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had