3.9 times 10^33 what is the answer to this proble

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%

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?