Devin has started a lawn-care service. he will charge a mowing fee of $15 plus $2 per square yard of lawn. he also offers trimming service, at $10 plus $1 per yard of the perimeter. using x for the length of the lawn and y for the width of the lawn, which part of the expression represents the charge for the mowing?

What is the frequency of the sinusoidal graph?

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.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?