Which expression is equivalent to 100n^2-1?
a. (10n)^2-(1)^2
b. (10n^2)^2-(1)^2
c. (50n)^2-(1)^2
d. (50n^2)^2-(1)^2

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers