A firework is shot upward at a rate of 525 ft/s. Use the projectile formula h = -1612 + vt to determine at what time(s), in
seconds, the firework rocket is at a height of 800 ft. Round your answer(s) to the nearest tenth of a second.
Provide your answer below:

Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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?