Answer:
B and D
Step-by-step explanation:
QUESTION A
The total number of bottles Ella collected is

The number of bottles that are plastic is

The percentage of bottles that are plastic is




Therefore 38% of the bottles are plastic.
QUESTION B
The total number of bottles that are glass is

The total number of bottles Ella collected is

The percentage of bottles that is glass is




Therefore 62% of the bottles are glass
We have

The rational root theorem suggests that other possible roots may be -6, 6, -3, 3, -2, 2, -1, and 1. It turns out that
is a root, since
, so
is also a factor and we have

Finally, we can factorize the remaining quotient easily:

so the other factors are
,
, and
.