Answer:
(9+3i)-(2-7i)=17i
Step-by-step explanation:
D)
Answer::::::::::::::::::::::::::::::::::::
The answer is B) (-37)
The expected values from the product of 2 marbles are 1,2,3,4,5,6,8,10,12,15,20
THe expected values are 1,2,3,4,5,6,8,10,12,15,20
