Write an expression for this phrase.
a number tripled less than the product of 9 and 8.

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?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Find the ratios of the corresponding sides