Please explain how you solved this Jada walks up to a tank of water that can hold up to 12 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 8 gallons of water. Four minutes later, the tank contains 5 gallons of water.

A) At what rate is the amount of water in the tank changing? Use a signed number, and include the unit of measurement in your answer.

B) How many more minutes will it take for the tank to drain completely? Explain or show your reasoning.

C) How many minutes before Jada arrived was the water tank completely full? Explain or show your reasoning.

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

What does the relationship between the mean and median reveal about the shape of the data

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.