Help please thanks so much

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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%

Find the missing factor. write your answer inexponential form.9^2=9^4×