Write a complex fraction that simplifies to −1/4

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

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.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu