The volume, v, of the right circular cone with radius r and height h, shown below, can be found using the formula v = one-thirdpi r2h. a cone-shaped paper cup has a volume of 142 cubic centimeters and a height of 8.5 centimeters. what is the radius, to the nearest centimeter, of the paper cup?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?