During a sale, a shop allows 20% disount on all purchases. what will a costumer pay for a dress normally priced at $30

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.