The answer is B for every change in x by 2, y changes by 4
EXPLANATION:
In the chart, each time they add 2 in the x (-4 +2 is -2, -2 + 2 is 0 and so on) in the y pile they add 4
So you can use
$21.95 + $.19x = $18.95 + $.21x
Answer:
The answer is
Step-by-step explanation:
520*.04=20.8, or closer to 21 spam emails.