in a class, the ratio of boys to girls is four to three. if there are 20 boys in the class, how many girls are there? process plss

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.