One would have to know how many miles the trucker travels in a year. It appears as if that data is not provided. Once that total mileage per year is known, then divide that value by 10,000 to yield the number of oil changes in a year's time.
Answer:
(sec θ - tan θ)²
= sec² θ –2 sec θ tan θ + tan² θ
Hey ur answer for the one above it is wrong it would be 4/3
No because the slope is not the negative reciprocal
