21x^2
you CAN'T factor 21x^2
Answer:
x = 6
Step-by-step explanation:
You add 18 to both sides so that the equation turns into 12x = 4x + 48
Then you subtract 4x from both sides so that the equation becomes 8x = 48
Then you divide both sides by 8 and get x = 6
I believe the answer is A
Answer:
415.265 m²
Step-by-step explanation:
A=π r²
π*132.25