Well 1000 for his birthday then subtract 25 each week, w, should be 1000-25w if i am not mistaken.
Answer:
68°
Step-by-step explanation:
Since, angle subtended on the circumference of the circle is half angle subtended on the center of the circle.
-10 is the answer to the question above.
Answer: a = 0.81
So yeah, that is the answer.