At midnight, the outside temperature was -12.3 degrees. by 6: 00 am the outside tempature had dropped 6.8 degrees. what was the outside temperature at 6: 00 am? -19.1 degrees -5.5 degrees 5.5 degrees 18.1 degrees

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

The graph represents f(x)=[x]+3. what is f(-2.2)?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.