In the above figure, the radius of curvature is 10 ft and the height of the segment is 2 ft. what's the length of the chord?

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}. list the elements in the set. a ∩ (b ∪ c)a) {q, s, w, y}b) {q, y, z}c) {q, s, u, w, y, z}d) {q, r, w, y, z}

Which situation is an example of an observational study?

Of the 50 us states 4 have names that start with the letter w