Smart Dot, multiply the cost per hour by number of hours (t) and add to the monthly fee:
C = 0.50t + 12
Communication plus: Multiply the cost per hour by number of hours (t)
C = 2.50t
 
        
             
        
        
        
Answer:
the M is (2,5)
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
139°
Step-by-step explanation:
these angles are supplementary angles, meaning that when added together, they equal 180°
so you just need to subtract 41 from 180 which gets you 139. 
 
        
                    
             
        
        
        
7. is C 3/50
8. is H 2/3
9. is C 2/3
10. is B slope 4 y intercept -2
11. is -1/4 slope
12. is 1/5 slope
13. is -2/3 slope
14. is 6 is the slope
15. is y=5/3x+5
16. is y=1/2x-3
17. is y=-3/5x+4
18. is y=3/2x-3 :)