1. A national opinion poll found that 52% of all American adults agree that parents should be given vouchers that are good for education at any public or private school of their choice. How large of a sample would be
required to be within 3 percentage points with 95% confidence? (2 points).

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

Match each expression with its simplified form.

Answer this question only if you know the 30 points and