Find the difference.b + a, for a = -8 and b = 0
A. -8
B. 0
C. 8
D. -80
Answer: A
Mathematics
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Simplify the algebraic expression.-5(2x - 9) - 4x + 8
A. -14x + 53 B. -14x - 37 C. 6x + 53 D. 14x + 53
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Provide an appropriate response.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 16 months of age?
A. 5.8 in. B. 17.4 in. C. 7.8 in. D. 46 in.
Mathematics
Use the formula for Sn to find the sum for the geometric sequence.
(4)i
A. 
B. 
C. 
D. 
Mathematics