The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds) s=-4+3 cos t find the body's velocity at time t=pi/3 sec.

Find and classify the slope of the line through each pair of points (2,,-16)

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.