The equation of line cd is (y? 3) = ? 2 (x ? 4). what is the slope of a line perpendicular to line cd?

My favorite songstress gives away 25% of this side of her signature fragrance collection to her charity last month her sales were 1200 how much of her sales did she donate

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Complete the equation of the live through (-1,6) (7,-2)