Answer:
a = ±sqrt(3)
Step-by-step explanation:
a×a×a=a+a+a
Simplifying each side
a^3 = 3a
Divide each side by a
a^3 /a = 3a/a
a^2 = 3
Take the square root of each side
sqrt(a^2) = ±sqrt(3)
a = ±sqrt(3)
The third one: No, yes, no
Step-by-step explanation:

Answer:
Step-by-step explanation:
Answer:
2:5
Step-by-step explanation:
Total marbles: 10
red: 2
yellow: 5
2:5