Mariah went to the store to buy a coat. The coat originally cost $120.00. Mariah used a coupon that saves her 20%.
d Marinho hy using the counon?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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 the functions, f(x) = 2x^2 - 1 and g(x) = 5x, find f(g(x)) and g(f(