Answer:
51+x-5+y-6=180
x+y=180-51+5+6
X+y=140
Answer x=77 y=63
(those 2 lines with the arrows are perpendicular so their angles are the same 72° and (x-5)=77-5= 72°)
For me it’s A not sure tho
Answer:
A
Step-by-step explanation:

Now replace $x$ by $g^{-1}(x)$ and $g(x)$ by $x$ and you have your answer.
Answer:
40.5
Step-by-step explanation:
25 + 62 x 0.25 =
25 + 15.5 =
40.5
Answer: 48r2-3
Step-by-step explanation:
I got that before