Answer:
Step-by-step explanation:
Sum of angles of a triangle = 180
x + (180 - 105) + (180 -140) = 180
x + 75 + 40 = 180
x = 180 -75 - 40
x = 65
f(-3)=40
95
-TheIsle :3
6955ft
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Hope that helps
21 Savage- ALOT