In solving rational equations how do you solve 9/x = x/4

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 distance between the pair of points a(-1,8) and b(-8,4)

Write the factored form of this trinomial 9x^2+18x-7