Uis the midpoint of tv, tu=3x +4 and uv equals 5x -2 find tu uv & tv

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

The volume of a cube is 8 in to the 3rd power. how long is each side?

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2