Use cross products to determine which of the following pairs of ratios cannot form a proportion. a. 1/3,3/9      b.2/3, 4/9      c.2/3, 4/6        d.1/3, 2/6

Which of the following lines is not parallel to the graph of y = 4x +7?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2