You decide to enroll in a plan that gives you a 10% discount if you make telephone calls 7pm – 6am. the per minute charge is $0.10 and the sales tax is 6%. on the first month’s bill you used the phone for 130 minutes 6am – 7pm and then 400 minutes 7pm – 6am. how much was your total bill?

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?