<span>7x^2 + 7y^2 - 28x + 42y - 35 = 0.
⇒ </span><span>x^2 + y^2 - 4x + 6y - 5 = 0.
⇒ (x-2)^2 + (y+3)^2 = 18
1. B
2. C
3. B
</span>
C. Prime
Pretty sure its C because none of the other options factor to x^2-8x-12
Answer:
is your answer
Step-by-step explanation:
21% of 387 is 81.27 Hope it helps
Answer:

Diameter=2r
inches=12*ft
Step-by-step explanation:
You forgot to say how far the bike travels.
Given R rotations, L feet, and a wheel radius of r, then the relationship is

Solving this for r gives

Diameter=2r
inches=12*ft