Which statements about the cone are true? Check all that apply.

The radius is double the diameter.

The radius is 9 mm.

The base area is calculated using the radius.

The volume is one-third the volume of a cylinder with the same height and diameter.

The volume of the cone is .

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Which of the following are accepted without proof in a logical system? check all that apply.