Solve the problem.The average height of a boy in the United States, from birth through 60 months, can be modeled by 
where y is the average height, in inches, of boys who are x months of age. What would be the expected difference in height between a child 36 months of age and a child 25 months of age?
A. 43.1 in.
B. 17.4 in.
C. 4.9 in.
D. 2.9 in.
Answer: D
Mathematics
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Provide an appropriate response.Write 
as a whole or mixed number in lowest terms.
A. 
B. 42
C. 
D. 
Mathematics
Provide an appropriate response.Evaluate: e-5
A. -148.4131591 B. 1 C. 0.006737947 D. 1.221402758
Mathematics
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.(mn-11)(m-6n6)
A. 
B. m5n5
C. 
D. 
Mathematics
Combine like terms.-11y - 7x - 4x
A. -11y - 11x B. -11y + 3x C. -22xy D. -11y - 3x
Mathematics