The following table shows the length and width of two rectangles: length width rectangle a 2x + 4 x − 1 rectangle b 3x + 1 2x − 3 which expression is the result of the perimeter of rectangle b minus the perimeter of rectangle a? 4x − 10 4x − 14 16x + 18 16x + 14

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?