Answer:
B.   100
Step-by-step explanation:
(m + n)^2 
= m^2 + 2mn + n^2
Rearrange
(m^2 + n^2) + 2mn
Substitute
(68) + 2*16
= 68 + 32
= 100
 
        
             
        
        
        
Answer:
v is negative for every x, meaning the domain is all values in R, whatever goes under the squared sign will come out as positive and the left out -ve sign will make V negative for all x in R
range of f(x) is -inf to +inf
Step-by-step explanation:
the cubic power doesnt affect the sign
 
        
             
        
        
        
Answer: for 4 The 24 balloons cost are $40 and 9 balloons are $1.67
Step-by-step explanation:
 
        
             
        
        
        
Given : The Distance between Rotherham and London is 156 Miles
Given : Kim drives at a Speed of 60 Miles per Hour
It means : Kim travels 60 Miles in One Hour



⇒ Kim does not Arrive London before 10:00
 
        
             
        
        
        
The answer is A!
Sadie is correct because 3(2x+3y) equals 6x+9y