Answer:
6
Step-by-step explanation:
Answer:
3 + 3 + 1
Step-by-step explanation:
The doubles is 3+3 which is 6 plus 1 is 7
Hi, this is the notation for inclusion of all real
numbers.

We can also state numbers which are positive or negative with a sign on top of the R notation like so:
It equals 7958.1. hope it helps
It is 12 sense the perimeter is the outside of the square you have to add the 2 numbers by themselves because they are the same measurement and 5+5=10 1+1=2 10+2=12