1. $a_{n+1}=5 + \frac {3} {2} a_{n}$. If $a_5=7$, what is $a_7$?
  2. Shade the area represented by $x>3$ and $x+y>5$ on the grid at right
    grid5x5.png
    .
  3. If the interest rate is a flat 10% per year, how much is $100 worth after two years - simple annual interest.
  4. Role a fair die and flip a fair coin. What is the probability of getting a 5? Heads? Both heads and a 5? Neither 5 nor heads?