Evaluate: –12 – 11
A) 23
B) 1
C) –23
D) –1
E) 132
C) –23
Mathematics
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Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
-4
A. 
B. 
C. 
D. - 
Mathematics
Use the quadratic formula to solve the given equation.x2 - 
x = - 
A. {
, 
}
B. {
, 
}
C. 
D. 
Mathematics
Evaluate.6 + (-5) - (-15)
A. -14 B. 16 C. -16 D. -4
Mathematics
Perform the indicated operations.(-5)(9) - (-19)(6)
A. 17 B. -69 C. -159 D. 69
Mathematics