Which statement is true?
500 is 10 times as much as 50
500 is one tenth as much as 50

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

Simplify the expression. -2/5(10+15m-20n)

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4