PLEESE HELP I need help naw

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I'm on my sisters fone I'm in kindrgarden.​

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(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%

Which of the following inequalities matches the graph? a. 2x+y< 7 b. 2x-y> 7 c. 2x+y< -7 d. the correct inequality is not listed