Which of these are Real numbers? 0.47, 3.45 , 4, 135, 1/2

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

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: