Find the remainder when:
(4x3 + 3x2 + x + 2) ÷ (x - 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?

How do you find the circumfrance of a circle?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16