An object on the moon weighs about 0.17 of what it would weigh on earth. How much would a 185 pound astronaut weigh on the moon?

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Franco wants to double the volume of the cone. what should he do?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r