Name a quadrilateral that has at least one pair of parallel sides

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Standard deviation of 19,29,21,22,23

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