Find the real solutions of the equation.
= -1
A. {1}
B. {2}
C. {-1}
D. {-2}
Answer: D
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Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.The area of a square is 81 cm2. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 cm2 less than the area of the square. How much is added and subtracted?
A. 4 cm B. 9 cm C. 3 cm D. Cannot be determined without additional information
Convert the length as indicated.9.05 meters to centimeters
A. 905 cm B. 90.5 cm C. 0.905 cm D. 0.0905 cm
Find the triple scalar product (u x v) ? w of the given vectors.u = i + j + j; v = 9i + 4j + 8k; w = 5i + 9j + 6k
A. 27 B. -1 C. 103 D. -123
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.
1/4
A. 
B. 2
C. - 
D. -2