Câu 14. Cho tam giác , các điểm D và E lần lượt thuộc các cạnh AB và AC . Chứng minh rằng nếu DE // BC thì AD/AB=AE/AC

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

Abowl contained 270 starbursts of all different colors. if the probability of picking a yellow is 1/9, then how many yellow starbursts are in the bowl ? ?