PLEASE HELP ME THIS QUESTION! I'LL VOTE FOR YOU ARE BRAINLETS.

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c:

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain