4. Bruce swam 7/10 mile to the first raft and 1/4 mile to the second raft. How far did Bruce swim?

Find the cosine function that is represented in the graph.

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18