Which pair of ratios is proportional?
question 1 options:

a. 6/21 and 2/42
b. 25/100 and 50/150
c. 18/24 and 6/12
d. 7/14 and 20/40

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.