Find the mean of the following dа ta:

18, 17, 12, 14, 8, 21, 10, 11, 19, 20, 10, 5, 17, 12, 10, 20

The perimeter of a rectangle is twice the sum of its length and its width. The perimeter is 46 meters and its length is 2 meters more than its width. What is its length?

John receives 3 detentions in the fourth quarter. He received 4 other serious for the 1st and 2nd quarters combined. He received 12 for the whole school year so how many detentions did he receive in the 3rd quarter?

List the measurements below from from smallest to largest. 7cm 18mm 1m 3dm

Jen has $24 to spend on five pens after buying them she had $14. How much did each pen cost?

A car travels 30.75 miles in 2/3 of an hour. What is the average speed, in miles per hour, of the car?

Fernando paid 2.80 for potatoes. Potatoes cost 25 cents per pound. How many pounds of potatoes dead fernando by?

A rectangular box has length 14 inches, width 11 inches, and a height of 16 inches. find the angle between the diagonal of the box and the diagonal of its base. the angle should be measured in radians.

There are 20 children in a class, and 12 of the children are girls. Of the girls, 8 brought a lunchbox, and of the boys 6 did NOT bring a lunchbox.

4-2x divided by 5 plus 3 = 9

Divide. Give the quotient and remainder. 8:2,8218