Please answer
( will give brainlst )

The circumference of a circle is 5 pi cm. what is the area of the circle?

Plzzz i beg u so much asap ! what is the slope of this line? enter your answer in the box.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done