Acardboard box shaped like a square prism is missing one base. its volume is 810 cubic inches, and its height is 10 inches. how much cardboard is used for the box?

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?

Which graph represents the equation y =4x

What is the solution to the equation below? 3/x-2+6=square root x-2 +8