La un concurs, se acordă 10 puncte pentru o problema rezolvată corect si se scad 2 puncte pentru o problemă rezolvată greşit. Teodor a trimis la concurs 20 de probleme si a primit 176
de puncte. Cate probleme a rezolvat corect si cate a rezolvat gresit?​

How do you graph linear equation x+y=4

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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?