Y^2-9^2
(y-9)(y+9)
To see if its right:
y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2
Answer:
True
Step-by-step explanation:
10 squared plus 18 squared equals C squared is the set up
After solving you should get 20.59
Answer:
1/27
Step-by-step explanation:
1/3 / 1/9 = 1/27
