What are the solutions of f(x)=3x2-x+3 and what is the y-intercept?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

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?

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20