Answer:
Simple random sampling
Step-by-step explanation:
Hope this work :)
180
triangle: 1/2bh = 1/2 24x24 = 288
rectangle : 18x6 = 108
288-108 = 180in ^2
170.84
slope = -0.5
58000m
he ran 35.5km+22.5km=58km
58km(1000m/km)=58000m