What two numbers multiply to give you -210 but add to give you -23

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?

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Solve the system of equations y= 3/2 - 1, -x+ y =-3