would i use sine, cosine, tangent, inverse sine, inverse cosine, or inverse tangent to solve for x in this triangle?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Asap! i'm not good math and i'm lost.

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points