Two Questions: • A rectangle has integer side lengths. If it has an area of 14x+28, where x is a positive integer, what is the difference between the rectangle’s maximum & minimum possible perimeter?

• The sides of a rectangle are 18 and 24cm. We changed one of its sizes by twice as much as we changed the other side to get a square. What is the side of this square?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain