1) A person invested 24,000 dollars in an account earning a nominal 5.6% interest per year compounded continuously How much was in the account after 26 years? Give answer rounded to the nearest two decimal places.

2) A rectangular room is 1.2 times long as it is wide and its perimeter is 27 meters. Find the dimensions of the room to the nearest tenth.

3) Find all zeros of f(x)=9x^3-9x^2-42x-36. Find exact value.