N+(13−n)÷5 for n=3 ; =

2. 3x+x÷3 for x=12
; =

3. 2xy +x2, when x=3, y=5
; =

4. 1+3(m2−20) when m=5
; =

5. 3x2, when x=4
; =

6. (3x)2, when x=4
; =

it is a reproduction.

step-by-step explanation:

step- i d k and i d c : )

you: : 0

bye

a

step-by-step explanation:

the answer is a

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3