Over the past several years, the number of chemistry majors at a certain university have increased approximately linearly. In 2016, university had 49 biology majors. In 2019, this university had 55 biology majors. A) Use this information to create a linear equation that models the number of biology majors, N, at this university t years since 2010 N= b) Use your equation to predict the number of biology majors at this university in 2021 to complete the sentence. In 2021, there were biology majors.

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.