Answer:120/2=60 speed uphill. Speed level 3/2 uphill=90 speed downhill 120 on flat land d=45=90*t t=1/2 hrs
Step-by-step explanation:
Answer:
ion know?
The number of non empty proper subsets of a set with 3 elements is =23−2=8−2=6.
slope or m= -5/2
