When a photo is reduced or enlarged its length to width radio usually remains the same. aurelia wants to enlarge a 4-inch by 6-inch photo so that it has a wider of 15 inches. use a ratio table to determine the new length of the photo.

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 describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Graph y = -|x| + 2. click on the graph until the correct one appears.