It took 4 hours for the 5 members of the Alexander family to drive to their vacation destination. Each member of the family drove for the same amount of time. What fraction of an hour did each family member drive? HELPPP

What is the binomial expansion of (2x-3)^5

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

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?