In a gymnastics tryout, the scores for the floor exercise are shown: 12.5, 11.5, 12.5, 14, 16, 16.5, 16.5, 13, 13.5, 15.5, 11, 12.5, 16.5, and 15. What score best represents the average of the data?
mode: 12.5
median: 13.75
mean: 14.04
mode: 16.5

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)