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.
The answer is x= -3. 0.7(-3)-1.4=-3.5
Answer:
I believe the answer could be c
Answer: 
Step-by-step explanation:
For this exercise it is necessary to remember the following:
1) The Distributive Property states the following:

2) The multiplication of signs:

Knowing this, and having the following expression given in the exercise:

You can apply the Distributive property multiplying
and
, which are inside the parentheses, by
.
So, you get the following result:
