Answer:
(2p+9)^2
Step-by-step explanation:
We know this is a perfect square trinomial
a^2 +2ab +b^2 = (a+b)^2
a = 2p b = 9
a^2 = 4p^2
2ab = 2*2p*9 = 36p
b^2 = 81
Check
4p^2 +36p+81 = (2p+9)^2
Answer:
72%
Step-by-step explanation:
13 divided by 18 is .72 so, as a percentage, this is 72%
Answer: The answer is 8.8
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X = the number
14 + 2x = 6x - 7
21 + 2x = 6x
21 = 4x
5.25 = x
The number is 5.25.
