Answer:
D.) 0.7+0.4−0.2=0.9
(a) Stops, turns around and starts travelling back towards home.
(b) 8 km/hour.
Step-by-step explanation:
(b) Jo travels 4 kilometres in 1/2 hour = 9 km/hour.
rational
hope it helps.
3.Transitive Property Of Congruence
y=2x+1