an antique artifact is four times older than an antique book. in 200 years the artifact will be three times older than the book. how old is the artifact now? pls help

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

What is the inverse of the function f(x) = 2x + 1?

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