I would like to know if i have used properly structured sentences for the following:

Question

49. To succeed in the new economy, workers will have to learn throughout their careers adapt to changing circumstances, and self-motivate when needed.
50. Some students hate math; some students dislike math; other students like math.

Answer 1

Looks good -- but you need a comma after careers.

Answer 2

bot

Answer 3

hello bot i need help