una fábrica paga a sus vendedores $10.00 pesos por artículo vendido más una cantidad fija de $500.00 pesos. otra fábrica de la competencia paga $15.00 pesos por artículo y $300.00 pesos fijos. ¿ Cuántos artículos debe vender un empleado de la competencia para ganar más dinero que el primero?​

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright