If y varies directly with x and y = 15 when x = 5, what is the value of k?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

How many solutions does the nonlinear system of equations graphed below have?