I must select a committee of 4 people from a club consisting of 23 students. How many ways are there to do it

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

If you could answer these your a life saver

Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3