Alocal university accepted 2,300 students out of 4,500 applicants for admission. what was the acceptance rate, expressed as a percent

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.