Please help, test due in 2 hours! Will give good review and brainliest. :)

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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?