A substance has a hydrogen ion concentration of  figure 1.png)
M. Find the pH of the substance.
(a) pH ? 7.4
(b) pH ? 5.4
(c) pH ? 3.4
(d) pH ? 4.4
(e) pH ? 2.4
Mathematics
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Solve the system of equations using Cramer's Rule, if applicable.
A. ?
B. 
C. (0, 2)
D. {(x, y)|3x + y = 2}
Mathematics
Find the slope of the line through the given pair of points.(-6, -3) and (4, 4)
A. - 
B. 
C. - 
D. 
Mathematics
Write a word name for the decimal.967.08
A. Nine hundred and sixty-seven and eight tenths B. Nine hundred and sixty-seven and eight hundredths C. Nine hundred sixty-seven and eight thousandths D. Nine hundred sixty-seven and eight hundredths
Mathematics
Find the first six terms of the sequence.a1 = 8, a2 = 6; for n ? 3, an = an-1 - an-2
A. 8, 6, -2, -8, -6, 2 B. 8, 6, 2, -6, -2, 6 C. 8, 6, 4, 2, 0, -2 D. 8, 6, 14, 20, 31, 51
Mathematics