The quantity of 4 increased by a and then the sum is divided by 9

The verb in the sentence is in what voice

How does the yellow fever altered history

Mohammed reads this sentence. we knew the runner was an amateur because experts can run much faster. based on the contrast clue, what prediction does mohammed most likely make about the meaning of amateur? it means "someone who likes running." it means "someone who dislikes running." it means "someone who has a lot of experience." it means "someone who has very little experience."