Angle x is acute. cos x = sin 60° x tan 30°
Work out the size of angle x.
You must show your working.

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%