Ayearbook printer charges based on the number of pages printed. here is a table that shows the cost of some recent yearbooks.

number of pages 50 100 150 200
cost 1.75 2.55 3.35 4.15

which equation gives the cost, y, in terms of the number of pages, x?

y = 0.016x + 0.95

y = 0.016x + 1.75

y = 0.016x + 48.25

y = 52.6x + 0.95

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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