Answer:
When i took it i chose C and was right. I'm not sure if we use the same school but it was my answer. Hope it helps.
Step-by-step explanation:
the one up: 21
the one down: 16
13 cm
We can get the answer in the following way:
m = -10
m = y2 - y1 / x2 - x1
m = 60-50 / -2 - -1
m = 10/ -1
