The hotel has 450 rooms. one half of the rooms are filled. how many rooms are still available?

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?