Imagine a ladder leaning against the wall and you know the height of the ladder and its distance from the wall and you had to find out the height you could use pythagorean theorem here
Rationalize the numerator:

This is continuous at
, so we can evaluate the limit directly by substitution:

Answer:
~
~
Step-by-step explanation:
From the question we are told that:
Price of 20TVs per week
Marginal price-demand function 
Generally the The Marginal price function is mathematically given by
Therefore the equation when the demand is 20 TVs per week at $150 per TV

Giving

Therefore the Price when the demand is 100 TVs per week


Answer:
Complete a bank reconciliation
Step-by-step explanation:
A bank reconciliation is the process where the financial records of the bank is compared with the firm's financial record. If an employee has been stealing funds from the company, there would be a discrepancy between the figures provided by the record.
In a bid to know the reason for the discrepancy, the theft would be detected