6.99 $ + 0.55 $ = ??? pls help (ノ _ <、)

Name the quadrilaterals that have four equal sides.

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

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73