At madison high school each student studies exactly one foreign language. three fifths of the students taking spanish, and one fourth of the remaining students take german. if all of the others take french, what percent of the students take french?
(a) 10
(b) 15
(c) 20
(d) 25
(e) 30

Identify the graph of y = ln x + 1.

How to use order of operation in 20 divide by 4 multiply 5 = 1

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?