. The equations y = 4x − 8 & y = 4x + 4 represent...
the same line
parallel lines because the slopes of the lines are the same
perpendicular lines because the product of the slopes is −1
lines that are neither parallel nor perpendicular

What is the value of y? round to the nearest tenth

The area of a circle is equal to 1 dm². find the radius of the circle.

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