Which expression is equivalent to 8(2x + 4)? A. 16x + 32
B. 2x + 32
C. 16x + 4
D. 10x + 12

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?

What expression is equivalent to log3(x+4)

Construct the graph that models the given situation