Answer: The Cost For 6 Orders is         (11.4)
Step-by-step explanation:
How did I get it?
Step 1: I did   (1.90 x 6.00) = (11.4)
 
        
             
        
        
        
Complementary angles add up to 90.
Say the complementary angle is A. 
Angle A + Angle B = 90
Angle A + 60 = 90
Angle A = 30 degrees
Hope this helps :)
        
                    
             
        
        
        
Answer:
It was answered correctly. 
Step-by-step explanation:
Parenthesis means mutiplication so you can do iy rhat way or 4(c)^2=4×c^2.
 
        
             
        
        
        
Step-by-step explanation:
6. 7x + 7y = -11
7. -1x + 8y = 12
8. 9x + 11y = -7
 
        
             
        
        
        
Answer:
7 degrees colder
Step-by-step explanation:
15 degrees - 8 degrees = 7 degrees