For his long distance phone service, Goran pays a $6 monthly fee plus 8 cents per minute. Last month, Goran's long distance bill was 20.64$. For how many minutes was Goran billed?

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.

What are the domain and range of the function f(x)=2^x+1

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