A cone is cut by a plane as shown, parallel to the base. The cross-section of the cone and the plane is es )
circle

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Me i'm timed ! a. -2 to 1 b. -1.5 to 0.5c. 0 to 1d. 0.5 to 1.5