Emily had 30 cookies to bring to school for her birthday. three students wanted two cookies each. then, a new student came to the school that day and he wanted three cookies. then, one of the three kids gove their two cookies back. emily was still passing out cookies. how many cookies did emily have left to pass out after the students gave theirs back?

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Can you me find the slope! (30 points)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.