An important numerical measure of the shape of a distribution is the:

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .