9. The cooking times for meals L, M and N are in the ratio 3:7:x. On a pie chart, the angle corresponding to L is 60°. Find x.

Find the commission on a $590.00 sale if the commission is 15%.

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.

Find the measure for the angle indicated in bold