What is the answer?? I need help

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Estimate each quotient. show the compatible numbers you use. 0.02848 ÷ 0.00579

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

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