Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 7
D. 43
Answer: A
Mathematics
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Provide an appropriate response. Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: 3x2 = 9x + 30.
A. x = 3, 5, -2 B. x = -5, 2 C. x = 5, -2 D. x = -5, -2
Mathematics
Multiply and express the product as a mixed number or an integer.-2
? 
A. 12 B. -14 C. -12 D. 11
Mathematics
Use the calculator graph to find the solution set of the given equation or inequality.
= 
A. {2} B. [-2, ?) C. {-2} D. [2, ?)
Mathematics
Plot the point given in polar coordinates.(4, 225°)
A. 
B. 
C. 
D. 
Mathematics