A diesel train traveled to New York and back. The trip there took 12 hours and the
trip back took nine hours. It averaged 10
km/h faster on the return trip than on the
outbound trip. Find the diesel train's
average speed on the outbound trip.

What is the midpoint of np if n (1,9) and p (-5-1)

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?

The slope of the line passing through the points (2, 7) and (-4, 8) is