Answer:
59,000 I believe (I'm bad at math sorry in advance)
Answer:
81
Step-by-step explanation:
Given the expression: 
To make it a perfect square, we follow the following steps.
Divide the coefficient of x by 2
- Coefficient of x=18, 18/2=9
Square It
Add it to the expression
This is written as a perfect square as: 
The constant term required therefore is 81.
There could be five in each class.
Y= -7/15
Hope this is good enough :D