Ellie has 12.5 pounds of potatoes to make mashed potatoes. she uses one-tenth as many pounds of butter as potatoes. how many pounds of butter does ellie use?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

What is the mean of the data set 125, 141, 213, 155, 281