The Lin Family has a fish tank with different colors of fish. There are 7 blue fish, 4 green fish, and 4 yellow fish. What is the ratio of yellow fish to total
fish? *

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)