3 points Currently, Matthew is twice as old as Jordan. In three years, the sum of
their ages will be 30. If Jordan's current age is represented by j, which of
the following equations could be used to correctly solve for j?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

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