Solve the equation.7x - (4x + 9) = 15
A. {8}
B. {10}
C. {9}
D. {7}
Answer: A
Mathematics
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Determine whether the equation is quadratic.2x + 3 = 0
A. No B. Yes
Mathematics
Solve the problem.Brand X copier has improved its copier so that it produces 14% more copies than its old model. If the old model ran 324 copies per hour, how many copies would the new model run? Round your answer to the nearest whole number.
A. 369 copies per hour B. 354 copies per hour C. 174 copies per hour D. 339 copies per hour
Mathematics
Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
Mathematics
Complete.3.204 kg = 
g
A. 3204 B. 0.03204 C. 32.04 D. 0.003204
Mathematics