What is 30-14x2+8 using pemdas

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.

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.

Which system of linear inequalities is represented by the graph? y > 1/3 x + 3 and 3x – y > 2 y > 1/3 x + 3 and 3x – y > 2 y > 1/3x + 3 and 3x + y > 2 y > 1/3 x + 3 and 2x – y > 2