Amarathon is 26 miles 385 yards long. that is about 1.4x10^5 feet. how many feet long is a half a marathon?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?