POSSIBLE POINTS: 50 Amy, Karen, and Nolan are siblings. Their ages in years can be represented by the variables A, K, and N, respectively. They have lived a total
of 22 years combined. Karen has lived twice as many years as Amy, and Nolan has lived 6 years longer than Amy. Write a system of linear
equations to find the age of each sibling.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?