Which system of linear inequalities is represented by this graphed solution?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

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

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).