Between which two points can you draw a line with a negative slope? Pls answer quick

Is the square root of 4 plus the square root of 16 rational?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Someone me what is the area of this figure? 18m 18m 8m 16m