1.) 8,281 people/km²
2.)
3.) 1226.88 grams
4.) 999.74 grams
5.) 6
I am not sure about number 2.

Subtract 3/100 to both sides:

Cross multiply:

Divide 100 to both sides:

Or we could just multiply both sides of the equation by 100, to give us:

Subtract 3 to both sides:
Answer:
The next term is 13.
Step-by-step explanation:
Looking at the previous numbers...
for -7 to get to -3, you have to add 4, and for -3 to get to 1 you have to add 4.... and so on. So in order to find the next number, add 4 to 9, and which you get 13.
Answer:
B
Step-by-step explanation:
this is a rate of time, 60 must be multiplied by the hours to get the days