Add or subtract. Assume all variables represent positive real numbers.2
- 9
- 8
A. -50
B. 2
C. 14
D. -14
Answer: A
Mathematics
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Graph the solution set.|x| ? 9
A. 
B. 
C. 
D. 
Mathematics
Tell whether the statement is true or false. If false, give the reason.{3, 15, 28, 11, 37} = {37, 15, 11, 82, 3}
A. False; the elements must have the same sum. B. True C. False; the elements are not in the same order. D. False; the elements are not the same.
Mathematics
Use a calculator to approximate the root. Round to three decimal places. Check that the answer is reasonable.
A. 106.4 B. 4.803 C. 3.632 D. 3.509
Mathematics
Find the product.(-2x - 9)2
A. -2x2 + 81 B. 4x2 + 81 C. -2x2 + 36x + 81 D. 4x2 + 36x + 81
Mathematics