Find the exact value of y, or state that y is undefined.y = csc-1 
A. 
B. 
C. 
D. 
Answer: D
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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 H+ represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 
A. 1 B. -13 C. -1 D. 13
Use your graphing calculator to graph 
in degree mode. Use the graph with the appropriate command to evaluate the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A computer printer costs $860. If the sales tax rate is 3
%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $21.50, $881.50 B. $30.10, $890.10 C. $38.70, $898.70 D. $301.00, $1161.00
Add.-17.5 + (-12.6)
A. -4.9 B. 30.1 C. -30.1 D. 4.9