Write equivalent ratios in different form 54 to 81

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

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag