need help! use the diagram of the right triangle above and round your answer to the nearest hundredth

Is the square root of 4 plus the square root of 16 rational?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)