The answer is B)x+y=y+x.
This is just changing the order of the numbers to get the same equation....\
So for example if I have 2+7 and I use the property of addition It would give me 2+7=7+2.
Pls mark brainliest if this helped!
The order of the 3 books does not matter so its the number of combinations of 3 from 45
b is the correct choice
The answer is the second option, or Ray BE is a bisector of angle ABE.
The correct option is c. how the birds dealt with gradually steeper inclines.
After Ken Dial had his "‘aha’ moment" (line 41), he observed how the birds dealt with gradually steeper inclines.
<h3>Who was
Ken Dial?</h3>
In 1988, Dr. Dial was appointed as a biology professor at the of Montana. Dial was the creator and deputy director of the University of Montana Flight Laboratory, as well as the director of the University of Montana Field Research Facility at Fort Missoula.
Some key features regarding Ken Dial are-
- He taught graduate courses in East African evolutionary biology for three decades.
- Ken, a pilot with over 35 years of experience, is certified to fly numerous types of jet aircraft but loves backcountry flying onto remote airfields as in Montana-Idaho wilderness.
- Ken created and presented 26 episodes of "All Bird TV" on the Animal Planet channel of the Discovery Channel.
- Dial is still a frequent keynote speaker at scientific & aeronautical conferences across the world.
- He just left his full-time position as a professor at the University of Montana to devote more time to wildlife & land conservation initiatives in Tanzania, Kenya, southern California, and western Montana.
To know more about land conservation, here
brainly.com/question/9384173
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