The circumference of a circular field is 276.32 yards. What is the diameter of the field? Use 3.14 for and do not round your answer.

7x+8y=-18, 4x-9y=-3 solve the system of equations

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?

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school