Question

I need help
With this. I don’t remember what to do

Answer 1

Answer:

SU = 20

Step-by-step explanation:

If ST = 8, and TU = 12, add those two segments together since they are connected.

Answer 2

Answer:

Step-by-step explanation:

since ST and TU make up SU, you just have to add their values to get the value of SU, 8+12=20