Answer:
a b
m n
the 2nd one
Step-by-step explanation:
Answer:
tanx + cotx = 
Step-by-step explanation:
<u><em>Explanation</em></u>
Take R.H.S = 
= 
= 
= 
= tanx + cotx
tanx + cotx = 
The lowest common multiple of 2 and 7 is 14, so 14 days will pass before he does both chores again.
Answer:
sorry i dunno
Step-by-step explanation:
Answer:

Step-by-step explanation:

Hope this helps.