Which of the following is equal to the rational expression when x 2 or -3?

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?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Which of the functions graphed below has a removable discontinuity?