Eva follows the bond market and often purchases bonds issued by sanden research labs. last year, she purchased three such bonds in january, one in may, and four in june, then sold them all in november. sanden research labs bonds were selling at 78.430 in january, 95.652 in may, 86.220 in june, and 87.454 in november. if each bond she purchased had a par value of $500, how much profit did eva gain from buying and selling these bonds?

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 is 140% of 25? because i need

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?