Answer:
do we have to simplify it ??
Answer:
B
Step-by-step explanation:
put both sides under square root.
x^2 + y^2 = 64
sqrt ( x^2 + y^2 ) = sqrt(64)
x + y = 8
r = 8.
Answer:
c
Step-by-step explanation:
I think its c
I'm not sure
Answer:
1) x+2y+15=0
only know that one soz
Step-by-step explanation:
Answer:
If 9x is not =27, then x is not =3
Step-by-step explanation:
Going out on a limb here, please ignore if I'm missing it:
If 9x is not =27, then x is not =3
(I can't type the equal sign with a slash through it.)