Answer:

Step-by-step explanation:

Answer:
9^2= (x+2)^2+(y+8)^2
Step-by-step explanation:
The equation is r^2=(x+h)^2+(y-k)^2
Answer:
15x^3y
Step-by-step explanation:
60, 45 & 75 are all divisible by 15
Answer:
b. 7/18.
Step-by-step explanation:
That would be 1/2 - 1/9
= 9/18 - 2/18
= 7/18.