Answer:
10
Step-by-step explanation:
130+40+x =180
x=10
option 2 is correct
Answer: 3
Step-by-step explanation:
The sine of an angle is equal to the cosine of its complement, so

Answer: <u>3.7</u>
Step-by-step explanation: 3.706, but since you need it rounded to the nearest tenth its 3.7. If you put both equations on a graph, they intercept. We use the x coordinate in this intersection as the answer.
if i understand this correctly the question is asking if the cook did it correct and i believe he did