A Ferris wheel has a radius of 15 feet and its center is 40 from the ground. It takes 60 seconds to make one complete revolution. What will the rider's height be at 20 seconds?

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The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Nine people are going to share a 128-ounces bottle of soda. how many ounces will each person get drink? choose the correct equation and answer for this situation

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?