Baby anna wants to arrange 12 blocks in a row. how many different arrangements can she make?

Ihave trouble finding the nth term of a linear sequence

If 25% of y is 30, what is 60% of y?

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