It is helpful to first plug this in to point-slope form (note that there are other ways to do this).
Using the form

, you get

. You can simplify this to get

.
Answer choice A
X^2 and 5x both have x in common to factor out. To add or subtract them, 5x^2 is the least common denominator .
Answer:
B
Step-by-step explanation:
He chose the names on the voter registration list radomly
300 + 0+ 1, 200 + 50+ 6, 800 +70 + 8.
So we start with the $60 untouched.
Then we add the tax which is $60•0.07= 4.20 that is the tax
Then add the tax to the total $60 + $4.20= $64.20
Next we must add the tip so $60•0.15= 9.
Then $64.20 + $9.00 = $73.20
Total cost of meal $73.20
Any questions? :)