Find the surface area of a cylinder with a radius of 2 and a height of 3

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

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