Which explanation uses the number line to show 3 + (-3) =0?

A.) 3 + (-3) is located a distance of 3 units from 3 in the negative direction.
B.) 3 + (-3) is located a distance of 3 units from 3 in the positive direction.
C.) 3 + (-3) is located a distance of 6 units from 3 in the negative direction.
D.) 3 + (-3) is located a distance of 6 units from 3 in the positive direction.

What is the missing step in this proof ?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

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?