Mhanifa please help im almost done !!

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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