[ Answer ]

[ Explanation ]
- Factor:
(a - 3) + q(a - 3)
-------------------------------------
- Expand
: 

: 

![\boxed{\bold{[] \ Eclipsed \ []}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cbold%7B%5B%5D%20%5C%20Eclipsed%20%5C%20%5B%5D%7D%7D)
3.75 divided by 3= 1.25
3.75-1.25= 2.50
Answer:
as a german, im pretty sure everyone knows what i'll say next
Since the two triangles are similar

Also,
