Find q, r in \mathbb{z} so that 105 = 11q + r
with 0 \leq r < 11 as in the division algorithm

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu