What is x? x-1 / x-1 = -1 |x-1| / | x-1 | = 1 |x-1| / |x-1| = -1 pls ! need it by 15 minutes.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Which of the following contains a variable?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?