PLS HELPPP!! Nancy wants to join a health club. One club charges a $120 registration fee and $30 a month to be a member. Another club charges no registration fee and $45 a month to be a member. After how many months is the cost of these two health clubs the same?

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