A one year (12 month) subscription to Apple Music costs $99. Mr. Wood realized that he would save $81 if he would subscribe to the yearly package instead of paying for Apple Music each month. How much does 1 month of Apple Music cost? *

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

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.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2