Answer: x=14 and y=5
Work:
4%
To find the percentage, first find the area of both circles. The area formula is

. After finding the area of the center of the target (19.625) and the area of the large target (490.625), set up a percent proportion to determine the percentage that the center takes up:


Cross multiplying and dividing by 490.625 will give a total of 4%.
Answer:
C) 8
Step-by-step explanation:
y=3*4-4
y=12-4
y=8
A/b=c
times both sides by b
A=bc
divide both sides by c
A/c=b
b=A/c