Multiply the expressions.(x - 1)(x + 1)
A. x2 - 2x - 1
B. x2 - 1
C. x2 - 2
D. x2 + 2x - 1
Answer: B
Mathematics
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and the 
about the 
A. 
B. 
C. 
D. 
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Simplify the expression.
-4
A. 
B. 
C. 625
D. -625
Mathematics
Rewrite using numbers and an inequality symbol.Fourteen is less than eighteen.
A. 14 > 18 B. 0 < 18 C. 18 < 14 D. 14 < 18
Mathematics
Solve the equation.-4a = 24
A. -28 B. 28 C. -6 D. 1
Mathematics