Determine if this is a polynomial function
a-b-c-

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

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?