Adrian Dakota and Calvin made an average of 52 snacks. Adrian and Dakota made an average of 61 snacks. Dakota and Calvin made an average of 44 snack. how many snack did each of them make?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Determine which postulate or theorem can be used to prove that lmn =nmo

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?