Determine which choice best shows the distributive property of multiplication. A. 9 × 5 = 5 × 9 B. 9 × 1 = 9 C. (9 × 5) × 7 = 9 × (5 × 7) D. (9 × 5) + (9 × 7) = 9 × (5 + 7) {Ans: (9 × 5) + (9 × 7) = 9 × (5 + 7)}A rectangular polygon has eight sides. Find the measure of an exterior angle of the polygon {Ans: 45}Which quadrilateral is best described from the following descriptions below: • Opposite sides are parallel • All four sides are congruent • Diagonals are congruent A. Parallelogram B. Rhombus C. Square D. Trapezoid {Ans: Square}A 6thsixth-grade teacher is plotting the vertices of a rectangle on a coordinate grid. The first 3 points he plots are (3, 1), (- 1, 1) and(-1, - 1). In what quadrant should the last vertex be plotted? {Ans: IV}Gold mining in the US Dakota 29% Nevada 32% Utah 18% Colorado 5% Arizona 8% Other 8% During a time period 2,000,000 ounces of gold are produced in the U.S. Use the above graph to determine the amount of gold produced in Arizona