Dean needs $150 for a miming class. He already has $85 and he can earn the rest by working 13 hours at his job. If h represents his hourly earnings, which equations can be solved to find Dean’s hourly earnings?

Which expression is equivalent to −16y+13 ? −16(−y+13) 16(−y+2) −16(y+2) 16(−y+13)

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds