Which product is negative?
(-3/8)(-5/7)(1/4)

Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?