What does it mean to restate using scientific notion

How do i do this activity, is appreciated

What is the measure of the smallest angle in the diagram? 15 29 32 45

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