Anyone want to help me out with this?? Find the equation of the exponential function represented by the table

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.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

If there are 3.281 feet in 1 meter, how many inches are in one centimeter