A $300 computer has a 35% tax. What is the cost of the tax? A) $150
B) $200
C) $80
D) $105

3. find the radius of circle p.4. find y.

Restrictions on f(x) = 1/x+5 and g(x) = x-2

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?