When a record player needle is placed on the outside edge of a vinyl disc, find how far the needle travels in one rotation. Use 3.14 for π

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?

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)