C = 22d is the correct answer because for every day the cost increases by 22 so two days mean the cost is equal to 22 (2)
Answer:
You dind't include the answer choices but it should look something like

105.8
EXPLANATION
15% de 92 es 13.8
92 + 13.8 = 105.8
1/sin(38)*7=11.4
Hope it helps