You would use the y-intercept and slope because y-intercept form is the easiest way to graph. you just plot the y-intercept and draw the line with the correct slope.
A . IS THE CORRECT ANSWER
if you are only counting the adults then 4 times i children to then 10 time
The ratios of bats to balls would be the number of bats over the number of balls:
15/12
This can be reduced because both numbers are multiples of 3, so divide each one by 3:
15/12 = 5/4
Answer: 5/4
The answer to the problem would be C because its compound interest