Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.
A. Incorrect. Estimate: 100,000
B. Correct. Estimate: 300,000
C. Incorrect. Estimate: 200,000
D. Incorrect. Estimate: 400,000
Answer: B
Mathematics
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Simplify.
A. 13 B. 3x13 - 7x12y4 + 5x11y6 C. 3x3 - 21x7y3 + 15x6y5 D. 3x3 - 7x2y2 + 5xy4
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.y ? 2x - 4x + 2y ? 7y ? -2x ? 1
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Write the result in the form a + bi.(9 - 2i) + (6 + 6i)
A. 15 - 4i B. 15 + 4i C. 3 + 8i D. -15 - 4i
Mathematics
Divide using synthetic division, and write a summary statement in fraction form.
A. 2x3 - 5x2 + 3 + 
B. 2x3 - 7x2 + 6x -15 + 
C. 2x3 - 7x2 + 6x -15 + 
D. 2x3 + 5x2 + 3 + 
Mathematics