Find the following. Assume that the letter can represent any real number.
A. 
- 7
B. (z - 7)2
C. 
- 7
D. 
Answer: D
Mathematics
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Solve each of the following systems of equations. If the system is inconsistent or dependent, say so.7x - 5y = 305x + 2y = -12
A. (0, -6) B. (0, -5) C. (-1, -5) D. No solution
Mathematics
Provide an appropriate response.4 dg - 40 mg = ? mg
A. 360 B. 0 C. 44 D. 36 E. none of the above
Mathematics
Simplify the expression.274/3
A. 729 B. 2187 C. 81 D. 243
Mathematics
Evaluate using substitution.
Mathematics