Can someone please assist me in these equations!?!?! pls

Can someone me with my hwplz(only the circled ones)

Need on this geometry question. explain how you did it.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60