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Answer:
(b + 2)^2
Step-by-step explanation:
b^2 + 4b + 4
It's perfect square: a^2 + 2ab + b^2 = (a + b)^2
So
b^2 + 4b + 4 = (b + 2)^2
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There are 3 1/3
Because 3/2*3 1/3 =5
Answer:
It is 1/3 since there is an equal chance because
D1,D2,D3,D4,D5,D6
= ( remember to simplify)