Answer:
29. 9p(2p+1)(2p-1)
31. 4k(2k+5)(2k-5)
Step-by-step explanation:
29. 9p(36p^3/9p-9p/9p)
9p(4p^2-1)
9p((2p)^2-1^2)
9p(2p+1)(2p-1)
31. 4k(16k^3/4k+-100k/4k)
4k(4k^2-25)
4k((2k)^2-5^2)
4k(2k+5)(2k-5)
Answer: The value of whole is 120.
Step-by-step explanation:
Since we have given that
84 is 70% of the whole.
Let the whole be 'x'.
According to question, it becomes,

So, we have use the proportion i.e.
to determine the value of whole.
Hence, the value of whole is 120.
Its either 1.14 or 0.87 Hope this helps!
Answer:
I think it is b
sorry it took so long I just seen your question