The distribution of cholesterol levels in teenage boys is approximately normal with µ = 170
and η = 30 (source: u. s. national center for health statistics). levels above 200 warrant
attention. what percent of teenage boys have levels between 170 and 225?

c: lkllmn.

hope it's you

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

nope.   happens to me as well.

-aparri