What is the interquartile range of the following data set? 9, 30, 2, 48, 42, 18, 81, 5, 71, 73, 11

A. 71

B. 73

C. 80

D. 62

Here is the average annual precipitation for five states. The precipitation is shown in inches. Write an abbreviation to remember these five states in order from the lowest annual precipitation to the highest annual precipitation. Oklahoma 35.

Two urs contain white balls and yellow balls. The first urn contains 2 white balls and 7 yellow balls and the second urn contains 3 white balls and 10 yellow balls. A ball is drawn at random from each um.

Covert each fraction to a mixed number. 9/4

How to multiply rational numbers

OrRin is tiling a countertop. He needs to place 54 square tiles in each of 8 rows to cover the counter. He wants to randomly place 8 groups of 4 blue tiles each and have the rest of the tiles be white. How many white tiles will ron need

Find total area of a regular pyramid with base of 2 and altitude of 3

Zack wants to make a profit more than $300 for painting 4 identical rooms. The profit he makes is equal to the amount he is paid minus the cost of supplies. The cost of supplies 32.50 for each room.

The sum of the perimeters or two different squares is 32 centimeters, and the difference between there perimeters is 8 centimeters.

A necklace regularly sells for $18.00. the store advertises a 15% discount. what is the sale price of the necklace in dollars

Reagan surveyed a number of her classmates about what time they usually go to bed. Of the fifteen classmates she asked, three said 9 p. m. What percent of the students is this?