That’s the equation for the radius of a circle, it would equal r2
Answer:
nfefn cjd cnd c
efnckjd sc
Step-by-step explanation:evs kd vjkdfxds
I believe it’s the first one. i’m very sorry if it’s wrong
Answer: 
Step-by-step explanation:
Move all terms to one side
Simplify
Split the second term
Factor out common terms in the first two terms, then in the last two terms.
Factor out the common term
