Asupport cable runs from the top of the telephone pole to a point on the ground 40 feet from its base. if the cable makes an angle of 45° with the ground, find the height of the pole.

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120