Answer:
the probability is 3/6 or 1/2
Step-by-step explanation:
If you were to replace the x's with 2, your equation would turn into:
(2)^2-4(2)+5
From there, you'd just solve.
4-8+5=1
Your answer would be 1.
The answer is a 12% increase.
The total amount of tax on her purchases is $378.47