Answer:
Sorry, I don't have one.
Step-by-step explanation:
where are the options
no
D
72/9=8
-72/-9=8 because negative/negative=positive.
Use the slope formula
(x2-x1)/(y2/y1)
substitute the values
(1-10)/(9-7)
solve
-9/-2
simplify
9/2 or 4.5
