I would say the answer is either c or a, can’t see the video so i can’t really determine
Answer: x= log18 (10) +1/2
x= 1.29664
Good luck !
They met after (4 hours).
(60+65)*x=500<span />
We see a right triangle here.
Use the Pythagorean Theorem:
a^2+b^2=c^2
a & b=legs
c=hypotenuse
a^2+15^2=20^2
a^2+225=400
a^2=175
a=13.2287565553
a=13.2
The missing side is 13.2cm
