If you take the original amount 45 and subtract the admission fee 17 you get what is left over which would be 28 dollars. Good Luck and I hope that this helps!!
Start with 2. Then subtract from it (2x - 7)^2.
2 - (2x - 7)^2
= 2ab + 4a + 6 - 6
= 2ab + 4a
you can factor this to 2a(b + 2)
Both fractions have the same denominator so it's going to be easy. First set up your equation:

Add the whole numbers:

Now add the fractions:

add both together:

is an improper fraction so change it:

Since 6 is one more than 5, add 1 to the whole number and subtract the numerator and denominator(6 - 5 = 1) and make the remaining the new numerator. That leaves you with 
Your answer is 