How do you get the height of a square based prism if the total surface area is 990 cm2 and the area of the base is 121cm2.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply