Answer:
B.
Step-by-step explanation:
The formula for area of a circle is π times r squared. The radius is 4. So 4 squared is 16. 16 times pi(3.14) is 50.24
1:5 or you can write 1/5 or 1 to 5
x = 1
2x +4 (3 - 2x) = 3(2x + 2)/6 + 4
2x+12-8x = (6x+6)/6 +4
-6x + 12 = x+1+4
12-5 = 7x
7x = 7
x=1
Hope this helps!
Answer: a