Question: He entered the University of Texas and quickly came under the influence of Halsted who encouraged him to study mathematics
Please fix the punctuation.
Fixed: [He entered the University of Texas and quickly came under the influence of Halsted who encouraged him to study mathematics.]

Question: important bug fixes and new functionalities for your apps
Please fix the punctuation.
Fixed: [important bug fixes and new functionalities for your apps.]

Question: Late at night the woodcutter came home and reproached his wife for leaving him to hunger all day It is not my fault she replied the girl went out with your dinner and must have lost herself but she is sure to come back tomorrow
Please fix the punctuation.
Fixed: [Late at night the wood-cutter came home, and reproached his wife for leaving him to hunger all day. "It is not my fault," she replied, "the girl went out with your dinner, and must have lost herself, but she is sure to come back to-morrow."]

Question: Noticeably more megapixels photo
Please fix the punctuation.
Fixed:
[Noticeably more megapixels (photo)]