Answer:
Angle A = 97.5º
Step-by-step explanation:
Supplmentary means 2 angles that equal 180º. So we already have 1 angle, so now all we have to do is subtract 82.5 from 180.
180 - 82.5 = 97.5
Answer:
8 years old
Step-by-step explanation:
oldest= 16
8+12+15+16= 51
51/4 = 12.73 ( average)
Answer:
36+9=45+5%=47.25
Step-by-step explanation:
Answer:
2,5h
if she's driving at 40 miles per hour, that means in 2 hours she will have driven 80 miles plus 30 mins. for another 20 miles. In total - 2h 30mins.
It takes 8 trees to make a stack 1.2 metres tall, so if ut takes 20 minutes per tree, then it will take 8 × 20 or 160 minutes, or 2 hours 40 minutes.
