PLEASE HELP ASAP TIMED Which is the completely factored form of the following equation?

4a4b2−21a2b+5=0
A
(4a2b−1)(a2b−5)=0
B
(2a2b+5)(2a2b+1)=0
C
(4a2b−1)(ab−5)=0
D
(4a2b+1)(a2b+5)=0

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

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