1. For all
2. If , and , then tan A = ?
3. The expression (180 - a) is the degree measure of a nonzero obtuse angle if and only if:
4. If for all a â 0, which of the following must be true?
5. In a certain clothing store, jackets were put on display and assigned prices for May. Each month after that, the price was 20% less than the price for the previous month. If the price of a jacket was d dollars in May, what was the price in August?
6. If |5-2x| > 5, which of the following is a possible value of x?
7. What value of t will satisfy the equation 0.1(t + 3, 420) = t?
8. What is the slope of any line parallel to the y-axis in the (x, y) coordinate plane?
9. Which one of the following lines has a negative slope?
10. In the standard (x, y) coordinate plane, if the x-coordinate of each point on a line is 4 less than three times its y-coordinate, the slope of the line is: