Jacob made 8 pitchers of iced tea for the school picnic. each pitcher filled g
glasses. after the picnic, there were 2 glasses of iced tea left over. if no glasses were
spilled, which expression gives the number of glasses that were drunk at the
picnic?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

(60 points) explain this in detail

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?