If f(x) = x2 − 81 and g(x) = , find g(x) · f(x).

What is the most accurate measurement of 1 pound

The table respent two linear functions the equation respented by the first tables is given

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?