As randy swam ynderwater, gis elevation changed uniformly for 4 minutes. altogether it changed -20 feet. what was the changed in elevation during each minute?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?