8. a base has a ph level of
a. between 0 and 7
b. exactly 7
c. between 7 and 14
d. between 0 and 14

c

Explanation:

base are 7 to 14 on the ph scale and 0 to 6 in acids

A base has a pH level between 7 and 14. (c)

because it says use -2,0,and 2 for x, we can plug those numbers into the equation. y/4=3/4(-2)+2   y/4= -1 1/2 +2 now to get x by itself, we can multiply each side by 4. y=-6+8 which equals y=2 when x=-2. now you can do the same thing with 0 and 2 as x. you get y=8 when x=0 and y=14 when x=2.

x   |   y

-2 |   2

0   |   8

2   |   14

it doesn't. it was imagined up in the middle ages.