6. The pH of a substance equals -log [H+], where [H + ] is the concentration of hydrogen ions. The concentration of hydrogen ions in pure water is 10^-7 and the concentration of hydrogen ions in
a sodium hydroxide solution is 10^-14. What is the difference of the ph levels of pure water and
sodium hydroxide solution?* LS
(6 Points)
7
-7
-21
10000000

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Which of the following describes the symmetry of the graph of y = x3?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.