How do i go about solving the following system of equations by elimination?
4m-3n=27 and 8m-6n=18
(this was meant to be my previous question, but i accidentally put in the one i already solved for)

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2