Sam went for a ride on a sailboat the ride lasted 3/4 hour . what fraccion is equivalent 3/4

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921

The image of abc after a reflection across eg is abc

Which angle is the smallest? also give me an explanation so i can complete it to other questions as well, : )