Mark has two pencils joe has five pencils how many pencils does mark have than joe

Which choice represents the sample space ,s for this event

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?