How many eggs are there in 3 1/2 dozen eggs?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?