For a certain country, the bar graph shows the population of it’s public school students, in millions, and the amount that the country’s government spent on public education, in billions of dollars, for five selected years. Complete part A and B. A.
Express 2007 student population in scientific notation. (Use the multiplication symbol as needed)

B.
Express the amount that the government spent on public education in 2007 in scientific notation. (Use the multiplication symbol as needed)

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

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.

Someone me what is the area of this figure? 18m 18m 8m 16m