Which method is used in elimination to find the solutions of x + 3y = 9 and x - 3y = 8?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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?

52 cm radius = diameter = area = circumference = circumfer