The dimensions of a box of paper clips are 3.1 inches by 1.6 inches by 1 inch. If there are 100 paper clips guaranteed to be in each box, what is the approximate density of paper clips per cubic inch?

Find the slope of a line given the following two points

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?