4ab-8bc+10ca,6bc-3ab-9ca and 2ca+8bc-2ab

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Which expression is rational? 6. , square root two, square root 14, square root 49

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?