Answer:
Up up up up up up up up up up
 
        
             
        
        
        
Answer:
 and
 and 
The ordered pair solutions are  ,
,  ,
,  , and
, and  .
.
Step-by-step explanation:
I'm assuming the system is  :
:


























Therefore,  and
 and 
The ordered pair solutions are  ,
,  ,
,  , and
, and  .
.
 
        
             
        
        
        
Domain of f = R .............
        
             
        
        
        
Answer:
1. 74 because 8(10) - 6
2.4(4) - 5(3) = 1
3. 7(3)+8(4) * 2 = 106
4. A
5.a
6. 20.5
7.26
8.a
9.a
10a
Step-by-step explanation:
 
        
             
        
        
        
The answer is 
-2(u+3)-5u
 -2u-6-5u
  -3u-6