Mia has n pairs of earrings. she receives 3 more pairs of earrings. which expression represents the number of earrings mia has now? a. n−3 b. 3n c. 3n+3 d. n+3

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Do 12/14 and 8/10 have the same value? explain your answer.