b. Us 9. Consider the lines through P(2, 4) that each form 90 angles with the x- and y-axes, respectively. Find the area and the perimeter of the rectangle formed by these lines and the axes. 10. Find the equations for each of the following: a. The line containing P(3, 0) and perpendicular to the x-axis b. The line containing P( 4, 5) and parallel to the x-axis 11. For each of the following, find the slope, if it exists, of the line determined by the given pair of points a. (4, 3) and (5, 0) c. (a, a) and (b, b) b. (V5,2) and (1, 2) 12. Write the equation of each line in exercise 11 13. Wildlife experts found that the number of chirps a cricket makes in a 15-sec interval is related to the temperature T in degrees Fahrenheit, as shown in the following graph: 18. Solve wheth soluti a. у

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