Graph the system of inequalities.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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An aqueous solution has a hydrogen concentration [H+] of 0.3 mol/L. Find the concentration of hydroxl ions [OH-] in the solution.
A. 3.33 × 1014 mol/L [H+] B. 3.33 × 10-14 mol/L [H+] C. 3.33 mol/L [H+] D. 3.33 × 10-13 mol/L [H+]
Mathematics
Determine whether the given value is a solution of the inequality.-11n - 10 ? -12n - 15; -4
A. A solution B. Not a solution
Mathematics
Provide an appropriate response.Let f(x) = x2 - 1 and g(x) = 2x + 8. Find (f - g)(2).
A. -8 B. -4 C. -11 D. -9
Mathematics
Simplify the trigonometric expression by following the indicated direction.Factor and simplify: 
What will be an ideal response?
Mathematics