What is the reduced fraction form of 81%

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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