Answer:
7
Step-by-step explanation:
5 1/4= 5.25
3/4=.75
5.25/0.75=7
Answer:
1,665.25 km
Step-by-step explanation:
Multiply equation II by 2 and then add up the equations.
Answer:
87.47 cm
Step-by-step explanation:
112-24.53 is 87.47
Answer:
is sometimes positive and sometimes negative.
Step-by-step explanation:

Take 

Take 

Hence
for
and
for 
So
is sometimes positive and sometimes negative in the interval.