1. A toy factory manufactures d dolls every hour. Each doll costs c cents. How many dollars will the factory spend in costs for manufacturing dolls in 7 hours and 30 minutes?   15cd/100   cd/100   3cd/40   7cd/100   cd/750   Hint Hint       2. If 2z2 − 5z + 30 < 2z2 + 5z − 15, which of the following MUST be true?   z < 4.5   z = 6   z > 4.5   z > 6   z = 4.5   Hint       3. What is the smallest of four consecutive odd integers whose sum is 968?   235   239   243   245   249   Hint       4. An agent receives a commission of 40 cents for every $50 of business she procures. What percent is the agent's commission?   0.8%   1.0%   1.25%   1.5%   2.5%   Hint       5. A car's price decreased by 20% from 1998 to 2000. If the price of the car was P dollars in 2000, what was it in 1998?   0.75P   0.8P   1.2P   1.4P   1.25P   Hint       6. In the figure, each of the four white "petals" is formed by the intersection of two semicircles. Each of the four semicircles is drawn with its center at the midpoint of each side of the square. If the length of the side of the square is 2, what is the total area of the shaded region excluding the petals?   32 − 8π   1 − π/4   4 − π   16 − 4π   8 − 2π   Hint       7. A small square region inside a larger square is shaded. The diagonal of the larger square is three times the diagonal of the small square in length. What fraction of the area of the larger square is not shaded ?   1/9   1/3   2/3   8/9   cannot be determined   Hint