Answer:
.40km or 1/4 a mile
Step-by-step explanation:
All of it is 8 because sides are all equal
positive number times negative number is negative number "(+)(-) = (-)".

we change the mixed numbers to the improper fractions

Answer:
16,00
Step-by-step explanation:
9 years is the (time)
divide the 27 years by 9 to see how many times it doubles
the ans is 3
now simply divide the value which is $4,800 by the 3
this gives you 1,600
10,000 dollars is the answer