The ratio of fiction books to non-fiction books in Roxanne's library is 7 to 4 if roxxanne owns 182 fiction books, how man non-fiction books does she own​

Step-by-step explanation:

182/7= 26

26*4= 104

So she owns 104 non-fiction books :)

Step-by-step explanation:

let she have x non fiction books

ratio of fiction books to non fiction books is 7:4

7/4=182/x(do cross multiplication)

4*182=7*x

728/7=x

104=x

therefore she has 104 non fiction books

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!