Please help me in True and false
Is 5 + 9 a constant?​

For each expression use a property to write an equivalent expression.

Is a positive integer raised to a negative power always positive

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%