Find all solutions to the equation.7 sin2x - 14 sin x + 2 = -5
A. 
B. 
C. 
D. 
Answer: D
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Governments often impose _____ to restrict the quantities of foreign products that multinational firms can bring into their countries.
A. stockout rules B. negative tariffs C. quotas D. custom exclusions E. expropriation restrictions
The graph of 
is given in the figure. State whether 
or 
A. a < 0 B. a > 0
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 3.98 x 10-9 B. 2.51 x 10-10 C. 2.51 x 10-9 D. 3.98 x 10-10
Find the exact value of the given expression.
A. 
B. 
C. 
D. 
E. 