Can you send a picture of the graph? there's no way to know the answer if we can't see the graph
2.857 m away from the wall. because if it is 1.3 m off the ground when fired then you just subtract that from 2.9 to get 1.6 then divide that by sin (38.2) to get 2.857 m from the wall.
She answered 70% questions correctly
Further explanation:
Percetages are used to calculae the success or failure in tests or exams usually.
Given

The percentage will be calculated as follows:

She answered 70% questions correctly
Keywords: Percentage, Success rate
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Answer:
The answer in simplest form is 2√15