What is the interquartile range(IQR) of this data set? 3,4,8,11,14,15,16
A. 3
B. 11
C. 8
D. 13

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

In a column proof the right column states your reasons

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)