Answer:

Step-by-step explanation:
Given
The attached functions
Required
Find f(9)
We have:

So:



Answer: y = 11
Step-by-step explanation:
first, i collected the like terms.
7y + 9 = 4y + 42
then, i moved the terms.
7y - 4y + 42 - 9
then, i collected the like terms and calculated it.
3y - 33
finally, i divided both sides.
y = 11
Equation: Original price = cost of discounted ticket + discount
Original price = 53.00 + 14.50
Original price = 67.50
$67.50
Answer:
I believe it's C I had this on my test and I got it right
1 yd = 36 inches....so 20 yds = 20*36 = 720 inches....+ 8 inches = 728 inches
728 / 26 = 28 inches....<==each section is 28 inches