How would you do questions 1a, 1b, and 2?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation