I need help with these problems from #33 to #40 can someone please help me with them ASAP please and thank you.. can you show step by step please and thank you .. this was due today

#33
[tex]\\ \sf\longmapsto \dfrac{300(300+1)}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{300(301)}{2}[/tex]
[tex]\\ \sf\longmapsto 150(301)=45150[/tex]
#34
[tex]\\ \sf\longmapsto \dfrac{500(500+1)}{2}[/tex]
[tex]\\ \sf\longmapsto 250(501)[/tex]
[tex]\\ \sf\longmapsto 125250[/tex]
#35
[tex]\\ \sf\longmapsto \dfrac{675(675+1)}{2}[/tex]
[tex]\\ \sf\longmapsto dfrac{675(676)}{2}[/tex]
[tex]\\ \sf\longmapsto 675(338)[/tex]
[tex]\\ \sf\longmapsto 228150[/tex]
#36
[tex]\\ \sf\longmapsto \dfrac{825(825+1)}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{825(826)}{2}[/tex]
[tex]\\ \sf\longmapsto \dfrac{825(413)}{1}[/tex]
[tex]\\ \sf\longmapsto 340725[/tex]
#37
[tex]\\ \sf\longmapsto n^2[/tex]
[tex]\\ \sf\longmapsto 51^2[/tex]
[tex]\\ \sf\longmapsto 2621[/tex]
#38
[tex]\\ \sf\longmapsto n^2[/tex]
[tex]\\ \sf\longmapsto 25^2[/tex]
[tex]\\ \sf\longmapsto 625[/tex]
#39
[tex]\\ \sf\longmapsto n^2[/tex]
[tex]\\ \sf\longmapsto 500^2[/tex]
[tex]\\ \sf\longmapsto 250000[/tex]