Popular questions and responses by HEL
  1. Math

    How would I find the solution set for a system of linear inequalities? For example, x-3y

    asked on July 27, 2014
  1. Math

    the width of a wall is 5 m, and lenght 4 m, and ceiling is 2.5 m high. the walls and ceiling are to be painted. the paint costs $8.99/L and 1 litre covers 5 m2. if windows occupy 7 m2 calculate the cost of paint

    posted on May 11, 2017