List the elements in the set . let u = {q, r, s, t, u, v, w, x, y, z} a = {q, s, u, w, y} b = {q, s, y, z} c = {v, w, x, y, z}. (a ∪ b)'

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Name the most appropriate metric unit for each measurement

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined