I NEED HELP ASAP! I give brainlist to whoever answers The surface area of a cylinder is given by the formula SA = 2r2 + 2rh.
A cylinder has a radius of 9 cm and a surface area of 756 cm2.
Find the height of the cylinder.

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?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13