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%.
32, 38, so on. So its +4 then +8 then +12 +16 +20....
Only <span>first and second place runners:
</span>11*10=110 ways
Hope that helped.
Answer: the first one :x=y+
−19
/8
the second one: x=y−2
Step-by-step explanation:
Answer:B,C,D
Step-by-step explanation:B- The point is over 1 off the y-axis
C-They are the points the line crosses the x-axis
D- There is no lower point