After buying a jacket that cost $47,Marilyn had $6 left in her wallet. Write and solve a subtraction equation to find the amount of money Marilyn in her wallet before she bought the jacket

Find the solutions for a triangle with a =16, c =12, and b = 63º

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

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.