Step-by-step explanation:

Answer:5-5i
Step-by-step explanation:(3-i)-(2+6i) (3+2)-(6i-i) =5-5i
a: draw a rectangle an label one side 80 and the other 115
b: 1560 Yards
The answer to your question is C.
Speed = 90km/hr
Time = 1min = 1/60 hr
Speed = Distance / Time
Distance = Speed * Time
D = (90 km/hr) * (1/60 hr)
D = 1.5 km (ANSWER)