Answer:
x=-5, y=-8. (-5, -8).
Step-by-step explanation:
-x+2y=-11
5x-8y=39
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5(-x+2y)=5(-11)
5x-8y=39
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-5x+10y=-55
5x-8y=39
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2y=-16
y=-16/2
y=-8
-x+2(-8)=-11
-x-16=-11
-x=-11+16
-x=5
x=-5
 
        
             
        
        
        
Answer:
Tim
Step-by-step explanation:
Tim drove 62 miles per hour you get this by dividing 217 by 3.5 and then you divide Emily's. 244/4 and you get 61 
 
        
             
        
        
        
Answer: the answer is c
Step-by-step explanation:
 
        
             
        
        
        
36 because if you add 21 + 15 you get 36. How by adding it all together. I hope this helped you bye
        
             
        
        
        
Answer:
f^-1 (x) = x^2 + 5
Step-by-step explanation:
f(x) = √x - 5 
replace x with y 
x= √y - 5 
solve for y, 
x =√y-5
x^2 + 5 
Answer - 
f^-1(x) = x^2 + 5 
HOPES THIS HELPS :)