QUES: In this work he applied mathematics to navigation studying methods to calculate position at sea

correct the punctuation.

CORRECTED: In this work he applied mathematics to navigation, studying methods to calculate position at sea.

QUES: And both of them shewed themselves to the garrison of the Philistines and the Philistines said Behold the Hebrews come forth out of the holes where they had hid themselves

correct the punctuation.

CORRECTED: And both of them shewed themselves to the garrison of the Philistines; and the Philistines said, Behold, the Hebrews come forth out of the holes where they had hid themselves.

QUES: Each topic in the Bashkir to English audio course provides a clear explanation of a particular aspect of Bashkir grammar

correct the punctuation.

CORRECTED:
Each topic in the Bashkir to English audio course provides a clear explanation of a particular aspect of Bashkir grammar.