• A firm sells 250 million units in Canada for a unit price equal to $2.75; and 300 million units in the US for a unit price of $3.00. What is the average price the firm receives per unit?
• In your 401k account, 85% is invested in a US stock mutual fund that returned 12%. The remaining 15% of your account is invested in a bond fund that returned 3% over the same period. If you had $12,000 at the start of the period, how much should your account be worth at the end of the period?
• Given the formula U = R - 0.5As². If U = 10%; R=15%; and s=20%, what is the value of A?The formula only works if all variables are in decimal form.
• Given the two equations below, solve for x & y:

0.15x - 0.08y = 0

x + y = 1

• What does standard deviation measure?
• What does correlation measure?
• What does variance measure?
• What does co-variance measure and what is the formula?
• What is a linear regression and what does it measure?