A pelican is flying 17 feet above sea level. Directly below the bird is a trout that is swimming 23 feet below sea level.
What is the distance between the pelican and the trout?

A: -40 feet
B: -6 feet
C: 6 feet
D: 40 feet

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2