Answer:
c
Step-by-step explanation:
I've don't this before in class so the answer is clear for me
(pi) x 3pi = 3 pi²
pi x 3/pi = 3
Y^2 + 18y + 81 = 0
(y + 9)^2 = 0
y + 9 = 0
y = -9
Answer:
w= -11
Step-by-step explanation:
1. Subtract 2.8 from the right side and add it to the left side. Now you have 2+6.6=1.4.
2. Subtract 2 from the left side and add it to the right side. Now you have 6.6= -.6
3. Divide both sides by -.6. You will get -11=w
