Simplify 13 + 2 - 5 - 15 a -25 b -5 c 5

−5c5−15a−25b+10

Step-by-step explanation:

13+2−5−15a−25b−5c5

=13+2+−5+−15a+−25b+−5c5

Combine Like Terms:

=13+2+−5+−15a+−25b+−5c5

=(−5c5)+(−15a)+(−25b)+(13+2+−5)

=−5c5+−15a+−25b+10

=−5c5−15a−25b+10

-5

Step-by-step explanation:

i did the math on a calculator and got -5

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

the fist one is not equalvalent but i think th second one isand the third isnt definetly or the last one is i think. hope this !

step-by-step explanation: