Answer:
z=-3
Step-by-step explanation:
The given line has slope m=-7.
The line passes through (-1,-8) and (z,6).
We use the slope formula:

We substitute
,
,
,
and
to get:




Expand 



Answer:
50
Step-by-step explanation:
im not that sure sorry
My best guess is <span>(r): 0.91</span>