An electric can opener is worth 40 dollars when it is new. After each year it is worth half what it was the previous year. What will its worth be after 8 years? Round your answer to the nearest cent.

Question and answers are in the attached picture. you so much in advance.

The graph of which equation includes the points (0, 10) and (10, 11)? y = 10x + 11 y = x + 10 y= 1/10x + 10 y = 1/10x + 11

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