Water is pumped out a 500-gallon tank at a rate of 2.5 gallons per second. The inequality 500 - 2.5t < 100 can be used to determine the time (t), in seconds, after which there will be less than 100 gallons of water remaining in the tank. Solve the inequality, then state what the salutation represents. State what strategy and tool you will use to answer the questions, explain your choice, and then find the answer. Way to many words for me to procces. I got a headache just from reading that.

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95