Answer:
40
Step-by-step explanation:
Rachel most likely drew a red or blue marble.
8/20 chance of drawing a blue marble.
7/20 chance of drawing a red marble.
5/20 chance if drawing a purple marble.
point A (-1-1) point B(-2-1)
x=3
x^2=9
Answer: a= (4x-1)(6x+9)
area= length x width
Bx3=27 there are 9 blue marbles