...hispapersonthree-dimensionalalgebraiccurves(1907)andonpseudosphericalthree-dimensionalspace(1885),wheretheimpossibilityofputtingsuchaspaceintoEuclideanfour-dimensionalspaceandthepossibilityofitsbeingplacedinaEuclideanfive-dimensionalspaceareproved.

... his papers on three-dimensional algebraic curves (1907) and on pseudospherical three-dimensional space (1885), where the impossibility of putting such a space into Euclidean four-dimensional space and the possibility of its being placed in a Euclidean five-dimensional space are proved.
[Q]: [OurbookingspecialistsarereadyMondayThursdayfrom8am5pmandFridayfrom8am4pm.]
[A]: [Our booking specialists are ready Monday Thursday from 8am5pm and Friday from 8am 4pm.]
Problem: Add spaces: Packageincludesinstruction,fabrics,yarnandaneedlerya.

Spaces added: Package includes instruction, fabrics, yarn and a needle rya.
This text is missing some spaces, please add them: Setthescarifiersothatthebladesdonotpenetratethesoiltoodeeplybutsimplyremovethetoplayeroflawnthatch.
Set the scarifier so that the blades do not penetrate the soil too deeply but simply remove the top layer of lawn thatch.
input question: Fix spacing: ThiscablealsohasaUSBconnector,whichiswhatmakesthepenwork.

output answer: This cable also has a USB connector, which is what makes the pen work.
input question: Fix spacing: Fabolousseaview,50metersfromthecenteroftown.

output answer:
Fabolous sea view, 50 meters from the center of town.