Ray’s weight increased by 11% in the last two years. If he gained 16.5 pounds, what was his weight two years ago?

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

What is the difference between the equations of a vertical and a horizontal line?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min