What is the result of the first step when simplifying 13-4(x-5)

Find the distance between c and d on the number line c=3 and d=11

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

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2