Answer:

Step-by-step explanation:
Let
x------> amount of money that Samantha spends weekly on her school lunch
we know that
The inequality that represent this situation is

All positive real number less than or equal to 15
The average of any two numbers lies between those two numbers:

Use distance formula
=√(3-3)^2 +(-4-4)^2
=√64
=8
Both 38 and 58 are even so they both can be divided by 2,
38/58
19/29
that is in the simplest form