What is the interquattile range of this data set 2,5,9,11,18,30,42,48,55,73,81

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?