Answer: The vertex form is h(x)=(x-3)^2-6
Step-by-step explanation:
Using the complete the square method, first complete any squares
X^2-6x+(-3)^2-(-3)^2+3
Use the binomial formula
(x-3)^2 - (-3)^2 +3
Simplify
(x-3)^2-6
Answer:

Step-by-step explanation:
Given

Required
Cost of x pounds
To do this we simply multiply x by the rate



Answer:
$27.93
Step-by-step explanation:
First, add the tax rate.
24.20 * 1.03
Then, add the tip.
sum + 3
Now, round to the nearest penny, and we get $27.93.
Answer:
k=-20
Step-by-step explanation:
-12k=240
k=-20