Answer:
-90
Step-by-step explanation:
2x6=12
12-1=11
11-9=2
6x9= 54
54+38=92
2-92= -90
2. (-3f)
3. (4f)
4. x - 11 (not sure if this one is correct)
Move -3 to the left of f = -3f
Move 4 to the left of f = 4f
f(x)=x+11 f ( x ) = x + 11
5a-10(3)=45
5a-30=45
5a=75
a=15