The students in mrs. thompson's class have to do a book report. they were given the choice to read a historical fiction, non-fiction, or biography. if there are twenty-five students in the class, how many of them chose to read a non-fiction book?
a. 8
b. 11
c. 16
d.32

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two