Answer:
The length of the rectangular pen is 40ft. The width of the rectangular pen is 20ft
9x^9-18
Step-by-step explanation:
I believe dividing is always the last step.
2x+6
you want to get 6 more than twice of a number, in this case, x. Hope this helps!
Examine one full set:
12/8
simplify
3/2
filling in
3 2
9 6
12 8
18 12