What is the slope of a line that passes through (3,-7) and (-1,1)?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Percent increase and decrease. original number: 45 new number: 18

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.