Fill in the blanks below. The population of a certain city increased by 28,000 people.
Write a signed number to represent this population change.

Lisa lost 30 dollars from her pocket.
Write a signed number to represent this change.

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.

you already gave the answer

step-by-step explanation:

7

step-by-step explanation:

step-by-step explanation:

the answer is 89 d

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