Answer:
-128
Step-by-step explanation:
-5
-7u+9=2
-7u=2-9
-7u=-7
7u=7
u=7/7
u=1
3(1)-8=3-8=-5
Option B ; C ; D
Option B i.e YX
Option C i.e YW
Option D i.e <XYZ
3/5
Scale factor = 9/15 = 3/5