Line l has a slope of 2. The line through which of the following pair of points is perpendicular to l? A. (8,2), (2, 4)
B. (4,6), (2,2)
C. (6,2), (2,4)
D. (8,8), (2,4)

PLEASE HELP

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !