Given positive integers x and y such that x does not equal y and 1/x+1/y=18, what is the smallest possible value for x + y?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?