<h2>Greetings!</h2><h3>When expanding brackets, you simply multiply whatever is inside the brackets by what is outside:</h3>

<h3>Which would result in the answer being:</h3>

<h2>Hope this helps!</h2>
Answer:
-437
Step-by-step explanation:
x=3,y=13,z=5
12x-3y4x-z
12(3)-3(13)(4)(3)-5
36-468-5
-437
Answer:
I think that's right been a while
Step-by-step explanation:
25x^5-y^2
The answer would be the Last option (D). This because it poses the proportion of 48 in (Amber's height) / 60 in (Lucy's height) and puts it equal to the proportion of x (what is Amber's height in the photo) / 3 (what is Lucy's height in the photo. Hope this helps :)