57-39=18 so 39+18=57 so the answer is 18
The answer I think is Y= 2x-4
Start on the x axis then read the y axis , because the line goes through on the left it would be -
Answer:
40
Step-by-step explanation:
So the whole angle 75 and 2 angles inside are 25 and 35
75-(25+35)=15
And then you add 15 and 25
15+25=40
