Answer:
d and f
Step-by-step explanation:
a, b, c and e are positive
F and D
When a negative number is multiplied by a positive number, the result is a negative number. When a negative number is multiplied by another negative number, the result is positive.
50 boxes
first we can find how many apples there are
42*12=504
then subtract 4 of the rotten apples
504-4=500
then find how many boxes there can be
500/10=50
f(f(5)) = 11
I hope that is useful for you
Answer: 55.041
