Solve the problem. When appropriate, round the solution to the nearest tenth. As needed, use the formula
Find the [H3O+] if the pH = 9.
A. .1
B. 109
C. 10-9
D. 2.2
Answer: C
Mathematics
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Simplify the expression. ?
A.
B. y - 4
C.
D.
Mathematics
Solve the equation. -
=
A. {6} B. {2} C. {-2} D. ?
Mathematics
Use a Venn diagram to find the indicated probability.Suppose P(R) = 0.82, P(S) = 0.53, and P(R ? S) = 0.36. Find P(R' ? S).
A. 0.17 B. 0.64 C. 0.71 D. 0.54
Mathematics
Solve the equation.6p = 8(4p + 9)
A. 12
B.
C. -
D.
Mathematics