The answer is D because you add all the data points values and divide by how many points you have. So in this situation when you add the data you get 135 and divide by the amount of data points you have which is 15. So you get 9
Answer:
y=-3/13x-89/13
Step-by-step explanation:
m=y²-y¹/x²-x¹
m=(-8)-(-5)/5-(-8)
m=-3/13
y-y=m(x-x1)
y-(-8)=-3/13(x-5)
y+8= -3/13x+15/13
-8 -8
y=-3/13x-89/13
Y3x+1 hope this helped Makkah
