Answer:
Melanie has 6 autographed baseballs.
Step-by-step explanation:
Diego has 4 times as many autographed baseballs as Melanie, and Diego has 24. 24/4 = 6.
Answer:
A. On the first day, 3 leaves fall.
B. D. The number of leaves that fall on a given day is 2 times the number of leaves that fell on the previous day.
Step-by-step explanation:
Given

Solving (a) The meaning of 3.
3 represents the initial number of leaves (i.e. the first day) and this proved as follows.
On the first day, n = 0.
Substitute 0 for n in 



Solving (b) The meaning of 2.
2 represents the rate which leaves fall down.
In (a)

Take n = 1
Substitute 1 for n in 



When f(1) is divided by f(0), the result 2. So, the number of leaves doubles everyday
The concept here is that if a country has a small population, then the per capita income would be large. by dividing the total income by the total population giving you the per capita income.
-hope this helps