1. An airplane took off and reached an altitude of 10,000 feet. Due to a storm, it had to decrease
it's altitude by 2,500 feet. What is the
airplane's current altitude?
a. 25,000
b. 500
c. 7,500
d. 12,500

Please answer it will help me a lot

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.

a

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.