Which of the following situations could be described by the equation y= -25x + 120? There are 120 people in the football stadium, and 25 more are entering each hour.

There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

A teacher has 120 students. Her third period has 25 students

A plumber charges $25 for a house call and $120 per hour

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.

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!