INSTRUCTIONS: Please print your name on your paper before you begin. This exam contains $7$ questions. Answer all questions. Show all your work clearly to receive full credit. Write legibly so that your answers are readable. A correct answer without a justification may not receive full credit. A partial credit for an incomplete answer may be awarded if you are on the right track. $100$ points are possible. The value of each question is indicated below.

$\backslash$table$[[$Problem$,1,2,3,4,5,6,7,$TOTAL$],[$Points$,10,10,15,15,15,15,20,100],[$Score$,,,,,,,,]]$