If logb(a)=c and logy(b)=c, show loga(y)=c^/2

Find the area of a parallelogram with base 15 yards and height 21 2/3

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .