Solve the inequality and graph the solution.2x ? 4
A. x > 2
B. x ? 2
C. x ? 2
D. x > 2
Answer: B
Mathematics
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Factor when possible. If the polynomial is prime, so state.49x2 - 81
A. (7x + 9)(7x - 9) B. (7x + 9)2 C. (7x - 9)2 D. prime
Mathematics
Solve the equation.
- 
= 0
A. 
B. 
C. 
D. 
Mathematics
Graph the system of inequalities.x2 + y2 ? 4x2 + y2 ? 1
A. 
B. 
C. no solution
D. 
Mathematics
Use substitution to solve the system of equations.
x - 
y = -18
x + 
y = -9
A. (0, -12) B. (12, 0) C. (0, 12) D. (-12, 0)
Mathematics