Show me the answer and how to write the problem

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question