Which number line models the calculation (-1) - (-3)? Ό Α.
difference
HHH
-5 -4 -3 -2 -1 0 1 2 3 4 5
difference
O B.
A
H
H
-5 -4 -3 -2 -1 0 1 2 3 4 5
0 C
difference
HHH
-5-4-3 -2 -1 0 1 2 3 4 5
difference
O, D.
-5 -4 -3 -2 -1 0 1 2 3 4 5

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The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.