are <11 and <6 corresponding, vertical angles, alternate exterior angles, or alternate interior angles ??? For math I guess

What is 20+(5 x 2/5 )+ 3 show your work

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?