Naomi has taken six science tests so far this year. The tests are out of 100 points, and she has gotten the following scores. 64, 88, 92, 86, 81, 92

What must Naomi score on her seventh test in order to raise her mean to an 85?

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.