Given P = {apples , oranges , bananas , pears} and Q={oranges , pears , grapes}, what is PUQ ?? ( a ) PUQ = Ø
( b ) PUQ = {apples , oranges , bananas , pears}
( c ) PUQ = {apples , oranges , bananas , pears , grapes}
( d ) None of the above

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Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6