Confused on what the answer is and how i do this, any ? ?

What is the simplified expression for 6(2(y+x))

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

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?