Graph the system of inequalities, and find the coordinates of the vertices.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the following quadratic equation by completing the square. Make sure your answer is simplified completely. If there are no real solutions, so state.3x2 + 24x + 27 = 0
A. x = 4 - 
or x = 4 + 
B. x = -4 + 
C. no real solutions
D. x = -4 - 
or x = -4 + 
Mathematics
Find the amount of interest earned by the deposit.$1000 at 7% compounded semiannually for 10 years
A. $1989.79 B. $922.50 C. $989.79 D. $967.15
Mathematics
Solve the equation. -6y + 10 = -1 + 10y
A. 
B. 
C. 
D. 
Mathematics
Simplify the given expression using the definition for negative exponents. Assume that all variables represent nonzero numbers.
A. t5
B. t4
C. t
D. 
Mathematics