Use a geometric representation to determine the difference of the complex numbers. z1 = - 2 - 6i

z = 7 - 15 i
z = -7 - 15 i
z = 7 + 15 i

Which triangles area would be calculated using the trigonometric area formula

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

Does anyone know how to do geometryme with this problem