Hello, this is for programming with C++. Please help me with the below question. Thank you very very much!

3. Arrange the following growth rates in order from least to greatest. (2 points) nlogn 2n n! 72 4. An algorithm takes 2 seconds for an input size of 100. If the algorithm is quadratic, approx- imately how long does it take to solve a problem of size 400? (2 points) 5. An algorithm takes 15 seconds for an input of size 200. If the algorithm is cubic, how larg a problem can be solved in two minutes? Show all work. (2 points)