A school had 1,200 students last year and only 1,080 students this year. What was the percentage decrease in the number of students? Double number line, number of people, percent.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Which graph has a rate of change of zero