The third one. Because it factors to (4x+3y)^2
Answer: 16
Step-by-step explanation:

Let's complete the square.



Answer:
-5
Step-by-step explanation:
8/3c-2=2/3c-12
first we'll do the LCM of both sides denominator 3 and 3=3
and multiply this with both side
3×8/3c - 2×3= 3×2/3c - 3×12
8c-6= 2c-36
8c-2c=-36+6
6c=-30
c=-30/6
c= -5
Answer:
471.24
Step-by-step explanation:
The formula for circumference is 2×pi×r. Replace the r with 75 and multiply.