The perimeter of the triangular park shown on the right is
13
13x
minus
−
1
1. What is the missing length?

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 upper quartile in the box plot?

Reflect the point (7,0) across the y-axis