Simplify (4+2i)(4-2i)

A. 20
B. 12
C. 16-4i
D. 16+4i

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

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: