For a segment of a radio show, a disc jockey can play 9 records. if there are 12 records to select from, in how many ways can the program for this segment be arranged?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Tim knows the volume and base area of a wooden chest that is in the shape of a rectangular prism. if the volume is 524 cubic unit and the base area is 15 square unit, what is the height of the chest? 124 unit 1124 units 112 unit 1112 units

Find the area of the surface obtained by rotating the curve z=4e^2y from y = 0 to y =1 about the y-axis. the area is square units