Ruby is making earrings for herself and her four best friends as a project. she has a 1.3 cm long rod of pure platinum that she wants to divide into 10 equal pieces — one piece for each earring.

in order to get it exactly right, she is going to measure each 0.13 cm long piece in millimeters. how many millimeters long will each piece be?

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.