When 80% of a is added to the number, the result is 252. what is the number

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

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?