Multiply the rational expressions.
? 
A. -1
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the equation.20 ( r + 6 ) = 16 ( r - 8 )
A. r = –60 B. r = –72 C. r = –67 D. r = –53 E. r = –62
Mathematics
Solve the problem.In a certain location, the highest temperature recorded was 102°F. The lowest temperature recorded was 128 degrees less than the highest. What was the lowest temperature?
A. -138°F B. 26°F C. -26°F D. 0°F
Mathematics
Solve the system of equations using substitution.
A. x = 0, y = 10; x = 0, y = 26 or (0, 10), (0, 26) B. x = -5, y = 0 or (-5, 0) C. x = -4, y = 2; x = 4, y = 18 or (-4, 2), (4, 18) D. x = -4, y = 2 or (-4, 2)
Mathematics
Factor completely.x2 + 15x + 54
A. prime B. (x - 9)(x + 1) C. (x - 9)(x + 6) D. (x + 9)(x + 6)
Mathematics