Answer:
6
Step-by-step explanation:
1 shook 2,3, and 4's hands
2 shook 3, and 4's hands
3 shook 4's hands
4 already got his hand shaken by everyone
1-2, 1-3, 1-4.
2-3, 2-4
3-4
(Anyone feel free to correct me. I'm not amazing at math just trying to help out.)
No change in area
Step-by-step explanation:
The area is 60 square feet for both rectangles.
Answer:
2x= 3x-7
-x=-7
x=7
so, the first option
Step-by-step explanation:
This would be 13+2x because if x is the number, then 2 times it would be 2x and the sum means addition so it would be 13+2x