What is the difference of 1/5 - 3/4

Which expressions are equivalent to -6 + 3m

Franco wants to double the volume of the cone. what should he do?

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