In ΔGHI, the measure of ∠I=90°, the measure of ∠G=31°, and IG = 60 feet. Find the length of HI to the nearest tenth of a foot.

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

If the equation of a perpendicular bisector of a triangle is y = 2x + 7, what is the slope of the side that it is bisecting? explain how you know. 

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?