If the average American male is 5'10" and the standard deviation is 3", then LaBron James who is 6'8" is within (what) standard deviation of the mean?

a.1
b.2
c.3
d.4
e.5
f.6
g.7
h.8
I.9

Which one ? is the answer and how to find this answer

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Which of the following transformations will always produce a congruent figure?