Answer:
81 :)
Step-by-step explanation:
v = 86
v + 6 = 92
-6 -6
4b-3.2=6b-12
12-3.2=6b -4b
8.8=2b
b=8.÷2
b=4.4
y = -9x + 12
first find the slope
m= <u>3 - 12</u>
1 - 0
m = -9
y = mx + b
(the 12 is the y intercept and is given in the question so there is no need to solve for it)