Use PEMDAS
Parentheses
Exponents
Multiply
Divide
Add
Subtract
1. C
2. A
3. B
3. D
Hope this helps
Where is below? there is no picture or numbers to answer to
Here, "disjointed" signifiies that Event A and Event B are independent; neither outcome influences the other. In such a case, the union of A and B is given by the sum of the two probabilities P(A) and P(B).
Here, that sum is P(A or B) = 6/25 + 9/25, or 15/25, or 0.6.
