Which terms could be used as the first term of the expression below to create a polynomial written in standard form? Select five options.

+ 8r2s4 – 3r3s3

StartFraction 5 s Superscript 7 Baseline Over 6 EndFraction
s5
3r4s5
–r4s6
–6rs5
StartFraction 4 r Over s Superscript 6 Baseline EndFraction