19y+36=150 solve the equation

Which of the following represents the range of the graph of f(x) below

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect