Write sigma (3k+2) in expanded form and find the sum.

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

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?