You add 2x and 7x to get 9x
so the answer is 9x+5y
Answer:
d
Step-by-step explanation:
base² + Altitude² = Hypotenuse²
x² + 9² = 13²
x² + 81 = 169
x² = 169 - 81
x² = 88
x = 

Answer:
true
Step-by-step explanation:
depth is how far down you are from the surface
Answer:
Anything
Step-by-step explanation:
5n - 10 = 5n - 10
It doesn't matter what you put in for n, the equality can never be anything but an equality.
Suppose n = 10,000,000
Then 5*10,000,000 - 10 = 5*10,000,000
Answer:
y = x - 8
Step-by-step explanation:
7/7X - 8
the y intercept was the only tricky part