Slope of a = (3,-2) b = ( 7, 3 )

can someone give more better and easier examples on how to do these,

Someone . me. compound probability

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?