Answer:
21
Step-by-step explanation:
4 12
---- = -----
7 g
Using cross products
4g = 7*12
4g = 84
Divide each side by 4
4g/4 = 84/4
g = 21
It is simple moscaculation it is 21
108 exposures in the entire package
i dont know
d
that would be 1/4x
-11
y=-5-3(2)
-5-6=-11