The area of a 25 inch tv screen is 300 in.². the area of a 40 inch tv screen is 768 in.². the area of the smaller screen is what percentage of the area of the larger screen?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

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