Need parabola and its vertex

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

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Robert has 78 tomatoes and 56 cucumbers he wants to plant them in equal rows how many in each row