Answer:
remember
1h=60min
1min=60 sec
now come to the question
1h=60min
1min=60 sec
60min=60×60=3600sec in 1hour
25min=60×25=1500sec in 25 min
total all sec=3600+1500+29=5129sec
Step-by-step explanation:
A= 3,2
B= -1,-1
C= 3,4
D= 1,4
The answer to 18m + 27n would be
46m - 33m = -28 - 11
13m = -39
m =-3