Answer:
TU=36
Step-by-step explanation:
use the side lengths of PQR to determine the proportionality of the two triangles. 9/2=4.5 so, multiply 8 by 4.5 to find TU.
1=72
2=36
3=36
4=54
y = x - 3
4y + 3 = 3y + x
y + 3 = x
Please refer to the above attachment