You have to put the image in so we can help you because we don’t know what ur talking abt unless u put the photo lol
Answer:
that is right
Step-by-step explanation:
no need to explain because there is nothing wrong with it
Answer: c) 27:8
Step-by-step explanation:
As volume of cube is side^3
volume of cube with side 2a is 8.a^3
volume of cube with side 3a is 27.a^3
ration of volumes is 27:8
Answer:

Step-by-step explanation:

<em>substitute a = 4 and b = -1</em>

<em>expand </em><em>and </em><em>simplify </em><em>the </em><em>numerator </em>




See solution in photo! Please mark me as brainliest and give a thanks if it helped :) have a nice day