Of the 500 seventh grade students and 250 eighth grade students at Bailey Middle School, 90 students will be chosen at random to attend an assembly. Which of the following would be a representative sample of the number of seventh and eighth grade students at the school?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

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.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?