Which shows the correct substitution of the values a, b, and c from the equation -2 = -x + x2 - 4 into the quadratic formula?
Quadratic formula: x = -b/b2 - 400
20
O x==(-1) +V=132 - 4(170=4)
2(1)
O x=-11/12 - 4x - 1)(-4)
24-1)
O x= -1:4V (1)2 - 4( - 1) - 2)
21-1)
O x = -(-1)+V(-1)2 - 4(1)(-2)
2(1)

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?