Which of the following sets of angles of a triangle represents an acute triangle?
a. 30°, 60°, 90°
b. 45°, 40°, 95°
c. 40°, 40°, 100°
d. 60°, 65°, 55°

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%