Answer:
It's Option'A' i.e 20m=75
Step-by-step explanation:
or,m=75/20
or,m=3.75

Negative multiply negative = Positive
Negative multiply positive = negative

Thus the answer is -4a + 16b - 12c - 12d.
Answer:
a=he went back home
b=speed=240km/h
Step-by-step explanation:
ps: wouldn't mind brainliest