Ineed to know if this is dependent or independent and why

Evaluate the given expression if m=45 |-3m|

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Acircle has a circumference of 28.36 units what is the diameter of the circle