Answer:

Step-by-step explanation:
there are a total of 20 marbles and the chance that it is blue is 8/20 so multy that by itself and the answer is 4/25
Answer:
I cant draw it perfectly so please dont judje if it not helpful
Step-by-step explanation:
x<------------------------------------->infinity
So put a dot at the arrow pointing to X and then trace the line and the arrow to infinity dark.
Answer:
x=6+1
Step-by-step explanation: