for the first one set 3y+y=180 and y+x=180
the second one set w+y=180, 42+x=180, y+20=180, and 87+v
the real square root of 0.0009 is 0.03
Answer:i think its 70 if im wrong im very sorry
Step-by-step explanation:
Answer:
Fossils: number one
Continental Shapes: number three
Seafloor Spreading: number two