If line a and line b are parallel, which angles are vertical angles? 1.2
817
9 10
1413
11 12
16 15
C
4
A. 23 and 211
B. 28 and 23
C. 27 and 23
D. none of these

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.

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).