Answer:
a=60 b=60 c=120 is the answer
Answer:

Step-by-step explanation:
using the rule of exponents
=
, then
=
=
= 
The answer is to the question is b. 55
112
/ \
2 56
/ \
2 28
/ \
2 14
/ \
2 7
So, the answer is 2 x 2 x 2 x 7 or 2^3 x 7
Answer:
312km
Step-by-step explanation:
1. Multiply. 4800 x 7% = 3744
2. Divide. 3744 / 12 = 312km sq.
So the area after 12 years is 312 km sq.