Solve the following system of equations. write each of your answers as a fraction reduced to lowest terms. in other words, write the numbers in the exact form that the row operation tool gives them to you when you use the tool in fraction mode. no decimal answers are permitted.
15x + 15y + 10z = 106
5x + 15y + 25z = 135
15x + 10y - 5z = 42
x =
y =
z =

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.

Math question.. plz me .. best answer all

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase