No they are not all rational numbers
Answer:
y-intercept is -24
Step-by-step explanation:
The solution is in the picture
C=P[(1+r)^n-1]
C = COMPOUND INTEREST
P = PRINCIPAL
r = rate per period
n = number of periods
The probability of picking a black ball first is

, because there are 4 black balls and 1 white ball which is 5 balls in total. After picking the first ball, 4 balls remain - 3 black and 1 white, so the probability of picking a white ball is

.
So, the probability of picking a black ball first followed by a white ball is
Answer:
60% of the band won a medal.
Step-by-step explanation:
=24/40*100
=2400/40
=60%
Therefore, 60% band won a medal.