A student was asked to find the volume of the solid where the inner cylinder is hollow. He incorrectly said the volume is 1,959.36 in..

Find the volume of the solid. Use 3.14 for 1. What mistake might the

student have made?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

The heaviest 16% of all men in weight weigh more than how many pounds ?

Use set builder notation to represent the following set: { -3, -2, -1, 0}