The cost of a new refrigerator is $1,250, plus $60 per year to pay for the electricity it uses. The graph below shows the average annual cost of the refrigerator, depending on how many years it lasts: (attached image) explain why this situation has a horizontal asymptote at y=60

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.

Which strategy is used by public health to reduce the incidence of food poisoning?