Let the two numbers be x and y
then x+y=9
x-y=3
2x=12
x=6
6+y=9
y=3
so the numbers are 9 and 3
Answer:
34091 dollars per person
Step-by-step explanation:
In order to answer the question, you have to divide the amount of debt by the amount of population to obtain the amount of dollars per person.
The debt was $10.5 trillion. A trillion is a thousand billion (1000 multiplied by a billion which is
in scientific notation)
1000=
One trillion is 
The debt is: $ 10.5 x 
The population is scientific notation is: 308.0 x 
Dividing the amount of debt by the amount of population:

Simplifying and expressing it in standard notation:
34090.9 dollars per person
Rounding to the nearest dollar:
34091 dollars per person.
Answer:
A=12bh
Step-by-step explanation:
Answer:
Y= X - 31.5
Step-by-step explanation:
find the gradient then the equation