APQR is dilated from the origin at a scale factor of to create AP'Q'R'. Select the option that completes the statement:
The triangles are___
because their corresponding sides are___
and their corresponding angles are.

-congruent; similar; proportional
-congruent, proportional; similar
-similar, congruent; proportional
-similar proportional: congruent

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?