Using linear pairs,

By the exterior angle theorem,

Answer:
The equation of the least-squares regression line for this plot is approximately ŷ = 3.8 + two thirds times x.
Step-by-step explanation:
Answer:
∠x = 67°
Step-by-step explanation:
∠x = 67° because they both are inscribed angles of the same arc
Answer:
6457 + 7925 = 14382
Answer:
1240
Step-by-step explanation:
the explanation is very long but I hope this is correct!