Find the values of x for which the equation is true.
+ 7 = 0
A. 7, -7
B. 7
C. -7
D. No values of x
Answer: D
Mathematics
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Solve for the specified variable.P(1 + rt) = A, for r
A. P - tA
B. 
C. 
D. 
Mathematics
Guess the rule used to change one number into another.
A. 4n + 3 B. 3n + 1 C. 2n + 7 D. None of the above is the correct rule.
Mathematics
Provide an appropriate response.Suppose that you attempt to solve a system of equations and find that 
What can you conclude about the solutions of this system?
A. The system has an infinite number of solutions. B. The system has exactly one solution. C. The system has no solution. D. The system has either no solution or an infinite number of solutions.
Mathematics
Graph the system of inequalities.x + 2y > 4y ? -4
A. 
B. 
C. 
D. 
Mathematics