The largest state in the us is alaska, covering 663,267 square miles (including water). what is the approximate radius of a sphere with the same surface area as the area of alaska?

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

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 is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²