Answer:
42 books
Step-by-step explanation:
The ratio percent for nonfiction is 0.78%
You multiply the amount of book by the percent that is nonfiction which give you the answer of 42.
54(0.78) = 42
To simplify 2x+3-x+5, we can first group x together,then calculate:

Therefore the answer is x-2.
Hope it helps!
Answer:
2: Obtuse
6: straight
7: acute
Step-by-step explanation:
acute angle-an angle between 0 and 90 degrees.
right angle-an 90 degree angle.
obtuse angle-an angle between 90 and 180 degrees.
straight angle-a 180 degree angle.
Or,at least i think
D BECAUSE IM JUST TRYING TO GET THE POINTS FOR THE THING AND WELL THIS IS A GREAT QUESTION HAVE FUN I THINK THIS IS 20 LETTERS OK BYE