For the following cylinder, what is the area of the two bases in square centimeters?
radius = 0.25 mm
height = 1 cm

314 cm2
31.4 cm2
39.25 cm2
15.7 cm2

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

True or false look at the picture pls : /

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