Write the coordinates of point B' after the following reflection:

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)