Answer:
A
Step-by-step explanation:
Well it's hard to visually inspect this long text; let's look at it.

Based on visual inspection the averages look about the same.
Step-by-step explanation:
10 -3 10+3*-3= 12 x=10-8=6
Answer:
-6
Step-by-step explanation:
substitute for x and y in the given equation
x=0
y=-6
let the unknown number be 'b'
y = -4x + b
-6 = 4*0 + b
b = -6