Ahmed wrote the two expressions below. 3/4 (8x + 4 ), 6x +1 which procedure can ahmed follow to determine if the two expressions are equivalent? a. substitute 2 into each expression, and evaluate them b. add the two expressions c. substitute 1 into the first expression, substitute 2 into the second expression, and evaluate them d. put an equal sign between the two expressions, and solve for x

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