Jennifer and Cristina run a race. Jennifer finishes in 33.9 seconds and Cristina finishes in 38.4 seconds. What is the difference in the race times?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Precalculus question, image attached.

Which fraction represents the ratio 35 : 42 in simplest form