Answer:
cummutative
Step-by-step explanation:
Answer:
4
5(2)+5(7)
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
9514 1404 393
Answer:
41.2 in
Step-by-step explanation:
The short side of a "golden rectangle" is 2/(1+√5) times the length of the long side:
(66.6 in)(0.618034) ≈ 41.161 in
The shorter side is 41.2 inches long.
Answer:

Step-by-step explanation:
we have n squared, which is at the beginning, and then three more than that would be +3