Answer:
D
Step-by-step explanation:
add the 2 angles: 89+80= 169
subtract 180-169= 11
11° is the measurement of the final angle
do sin(80)=12/x
x(sin(80))=12
plug in on calculator:
x=12/(sin(80))
She is 3,457 kilometers from her old house. 1 kilometer=1000 meters
Answer: x=1, y=2
Step-by-step explanation:
3(1) - 2(2)=-1