What is the standard deviation of the data set given below?

4,7, 8, 9, 12

How do you divide 102.6 and 3.8

What is in between 34.65 and 34.66

Which is a compound sentence? A) Craig and I like to wake up early. B) I like to wake up early and eat a healthy breakfast. C) I like to wake up early, and my sister likes to go to bed early.

What is 1.57 divided by 10

Justin is exchanging dollars for rolls of quarters and rolls of dimes at a bank. Each roll of quarters has a value of $10 and each roll of dimes has a value of $5. He exchanges $90 and receives 11 rolls of coins.

in a survey of 3419 adults aged 57 through 85 years, it was found that 83.9% of them used at least one prescribed medication

24% of 289 equals estimate using a rate per 100

Parse the regular hexagon, and tell how much regular unit triangle do you find, if the length of one side of the regular hexagon is n unit (s) :

What is the number rounded to the nearest tenth of 15.839

What is not equivalent to 36/72