Which statement explains why the polynomial cannot be factored using the binomial theorem? 125x^3 + 900x^2 - 2,160x + 1,728

• The signs do not follow the right pattern
• The first and last terms are not perfect cubes
• The exponents on each term do not follow the pattern for a binomial expansion
• The middle terms do not take into account the coefficients from pascal’s triangle

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

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)