This question is quite simple really. They are basically asking you to combine like terms. You have two different figures with the variable y, so you just combine the them. It would then be 3x + 2y. You cannot simplify this equation any further since there is nothing to solve for or anymore like terms to combine.
The formula for that is V=

but the answer is 4,940cm³ so C.
Answer: I need points to give out for answers-
Step-by-step explanation:

Multiply this by 100 to get your answer!
3.4 × 100 = 34%
So, therefore, 34% is your final answer.
Which percent is equivalent to 3 2/5? 34% is!
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