PLEASE HELP!! Which question was answered with variable data?

For the equations below which statement is true ? -2x=14 6x=-42

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

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%