Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
+ 
A. - 
B. 1
C. - 1
D. - 
Answer: A
Mathematics
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Use the substitution formula to evaluate the integral.
A. 
B. 
C. 
D. 
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Simplify the expression.(-7x3y9z)2
A. 14x6y18z2 B. 49x6y18z2 C. -49x6y18z2 D. -7x5y11z
Mathematics
Solve the equation.2(2z - 3) = 3(z + 4)
A. {8} B. {18} C. {-6} D. {6}
Mathematics
Simplify.7 ? 5 - 1
A. 34 B. 35 C. 28 D. 36
Mathematics