Find the first term and the common difference.7, 11, 15, 19, . . .
A. a1 = 7, d = -4
B. a1 = 7, d = 4
C. a1 = 7, d = 12
D. a1 = 7, d = 19
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve the equation.c + 
= - 
A. c = - 
B. c = - 
C. c = 
D. c = - 
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Factor out the greatest common factor.x(x + 12) + 13(x +12)
A. 12x(x + 13) B. (x2 + 12x) + (13x + 156) C. 13x(x +12) D. (x +12)(x + 13)
Mathematics
Identify the values for which the rational expression is undefined.
A. r = 2 B. r = -2 C. r = 0 D. None
Mathematics