Which of the following is an example of a quadratic equation?

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Avegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide. find the total area of the vegetable garden and path