What is the solution of the system? use the elimination method. −4x−2y=−12 2x+4y=−12

Solve 2x+y=3 x+y=5 in substitution method

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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%