Answer:
I believe it's 24 combinations.
Step-by-step explanation:
I found how many there were when starting with English, and there were six. I multiplied this by four (for the four books) and found 24.
Hope this helps! Have a nice day :)
Answer:
ii
Step-by-step explanation:
A c A u B
B c A
Aç n Bc = Ac
What do you need to be explainer
Answer:
-2
Step-by-step explanation:
4x:3=6:5.
4x/3=6/5
4x × 5=6×3
20 X=18
X=18-20
X=-2
Answer:
D
Step-by-step explanation:
loudness depends on the amplitude or height of the sound waves