Answer:
of the books in the book store are mystery fiction books.
Step-by-step explanation:
Let x represent all the books in the books store.
Then, the fraction of books that are fiction books is 
We have that; 
of the fiction books are mystery books.
The fraction of the books at the bookstore that are mystery fiction books is 
.
Therefore of the books in the bookstore are mystery fiction books.
Answer:
75
Step-by-step explanation:
(71+89+100+x)/3=83.75
(83.75*4)
335-100-89-71=75
Answer:
[-2, ∞]
Step-by-step explanation:
15 - √(x+2)
domain is any value as long as (x+2) is not-negative, since √ of a negative number has no Real solution.
x+2 ≥ 0 ⇒ x ≥ -2
Answer:
Step-by-step explanation:
4 “3” Cards in a Deck
52/2=26 Red Cards in a Deck
2/4 “3” Cards in a Deck are red so it would be 26-2=24 I think
