An arc on a circle measures 85°. the measure of the central angle , in radians , is within which range ?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

If value of cos330° is √3/2 then find tan165°.