Write an equivalent expression. Use an associative law.r + (5 + s)
A. r(5 + s)
B. r + (s + 5)
C. (5 + s) + r
D. (r + 5) + s
Answer: D
Mathematics
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Choose the best answer.The volume of a coffee mug is about
A. 0.3 dam3 B. 0.3 mm3 C. 0.3 L D. 0.3 dm3
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Write the inequality without "and".x > 0 and x < 4
A. 0 > x > 4 B. 4 < x < 0 C. 0 < x < 4 D. 0 ? x ? 4
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 6
, y2 = -6
B. y1 = 
, y2 = - 
C. y1 = 
, y2 = - 
D. y1 = 
, y2 = - 
Mathematics