Answer:
Step-by-step explanation:
Question 18:
arc SRQ = 360° - 98° - 115° = 147°
y = 147°/2 = 73.5°
arc SPQ = 98° + 115° = 213°
x = 213°/2 = 106.5°
Sorry, I don't know how to answer 19.
Answer:
2975
Step-by-step explanation:
15 percent of 3500 is 525, so 3500-525 is 2975