In the diagram, the measures of 21, 24, and 25 are 120". The measure of 27 is 60'. Are lines cand d parallel?
e
1
2
3
4
5/6
7/8
A. No, because 21 and 27 are not congruent.
B. No, because 24 and 27 are not congruent.
C. Yes, because 21 and 25 are congruent.
D. Yes, because 21 and 24 are congruent.

Find an equation of the line perpendicular to the graph.

Can you decompose the numbers 20,740,6,000

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%