Ten cakes costs $2.19 (pounds, but I don't have a pounds symbol on my computer) because if you divide $2.10 by seven you get $0.3, and if you add 3×0.3 (because we have seven, and we need to add three more to get ten) we get $0.9.
 
0.9+2.10=2.19
        
             
        
        
        
The total length of the ribbon used is expressed as r and is a product of the number of gifts (g) and the length of ribbon tied in each gift. This relationship may be expressed by the equation,
                                  r = (25) x (g)
        
             
        
        
        
It is 2 :) 
Y=A sin(B(x+C))+D 
Where A is equal to the amplitude. 
Would appreciate brainliest answer :)
        
             
        
        
        
Answer:
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Step-by-step explanation:
 
        
             
        
        
        
Answer:
X = 22°
Step-by-step explanation:
Accordng to Exterior Angle Sum Property , measure of an exterior angle is equal to the sum of the 2 interior opposite angles.
So,




