Which of the following rational functions is graphed below?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c