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a city council conducted a survey on speed bumps to see what residents preferred. the council asked every resident in one particular neighborhood what his or her preferences were. were the results of the city council's survey valid?
no, because neighborhoods do not have speed bumps.
yes, because every resident in a neighborhood was surveyed.
no, because the sample was not random.
yes, because the neighborhood surveyed wanted speed bumps.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?