The surface of a pedestrian bridge forms a parabola. Let the surface at one side of the bridge be represented by (6,0) and the surface at the other side of the bridge be represented by (14,0). The center of the bridge is 2 feet higher than each side and can be represented by a vertex of (10,2). Write a function in vertex form that models the surface of the bridge.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28