What is the lateral area of this regular octagonal pyramid?

149.3 cm²
182.9 cm²
211.2 cm²
298.7 cm²

The figure shows a regular octagonal pyramid. A dashed line segment is shown perpendicular to a base edge with its second endpoint being the center of the base and has a length of 8 centimeters. A second dashed line segment has one endpoint at the center of the base and the second endpoint at the vertex of the pyramid and has a length of 8 centimeters. A base edge has a length of 6.6 centimeters.

Which statement about perfect cubes is true

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

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?