Answer:
Step-by-step explanation:
x^2-81y^2
=(x)^2-(9y)^2
=(x-9y)(x+9y)
Since both terms are perfect squares, factor using the difference of squares formula.
(x+9y)(x−9y)
25 * 16 = 400 tickets were sold
400 * $15 = $6000 was raised
30, 30, 120
Answer: you just flip it. It would be the opposite.
When you flip it, what’s the difference? It’s still the same.
the required slope of the points is -1...
