Add and simplify.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Mathematics
Rewrite as a terminating decimal.
A. 0.24 B. 0.12 C. 0.38 D. 0.32
Mathematics
Solve the problem.The cost of producing x thousand units of a certain product is given by 
, for x ? 150. Write a rational expression that gives the average cost per unit when x thousand are produced. Then find the average cost per unit when 30,000 units are produced.
A. 
; $10,622.00
B. 
; $10.62
C. 
; $157.21
D. 
; $10.62
Mathematics
Solve the problem.Find the sum of the interior angles of an 8-sided polygon.
A. 180° B. 1440° C. 900° D. 1080°
Mathematics