Need help rn on a test

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

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11