Sally had 7 muffins, but later ate some. If she has 2 muffins left, how many did she eat?
Tina is hosting a bake sale. Tina has 10 chocolate chip cookies, George has 4 oatmeal cookies, Harold has 8 sugar cookies, and Steve has not shown up yet. If they need 30 cookies, how many does Steve need to bring
Charles has been collecting the rain mesurment samples for the month. He has saved all of his work on his computer. He accadentaly deleted one of his data mesurements. If the mesurements are 3, 4, 2, 6, 7, 2, 4, 7, 3, 3, 8, 12, 6, 3, 4, 6, 3, 7, 5, 1, 14, 25, 4, 5, 2, 4, 6, 4, 9 and the mean is 6.066666666666, what is the missing value?
Mr. Drakle has a class of 32 kidnergardeners. He wants to buy a circular rug to put in front of his class for reading time. If he wants each kid to have 1 foot of the rug's circumference, wants to have 3 feet of it for him, and wants the radius to be ≤ 23 in. How big does Mr. Drakle need the rug to be? Include the circumference and area, and explan your answer. π ≈ 3.14.