Zach paid $56.50 including sales tax for a book priced at $45. What was the sales tax rate?

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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 .