18 - 3 x 2/ 5-1 squared

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?