Does anybody know number 1 & 2

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

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

Find the arc length of the semicircle. 7the grade