Help me plz I don't understand this

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never