I need help answering this question.

Hurry which expression is equivalent to 3√x^5y?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.