you
it should be "yourself"
Never stop challenging yourself to do better.
Explanation:
The score of Sachin in consecutive five innings at 80, 90 ,100, 100 and M respectively.
The average of the five innings is 100.
We need to find the value of M.
Average = sum of observations/total no of observations
Sum of observations = 80+90+100+100+M
= 370 + M
Total no. of observations = 5
Put all the values,

So, he scored 130 in his last innings.
He scored (130-80 = 50) more in his last innings as compared to the first inning scored.
I’ll do it for more then 5points though
The correct answer is b) A president addressing the nation.
Oration is a formal speech given usually at an official occasion, such as a president giving a speech. Orations are usually given at funerals, weddings, formal ceremonies, such as graduation, in the court of law, at conferences, inaugurations, etc.
Answer:
The unequal access to resources and differences in technological progress, including the development of social structures, education and infrastructure, alter the outcome of natural and agricultural land sustainability and social policies.
Explanation:
hope this helps