A stock market analyst estimates that the odds in favor of a stock going up in value are 8 to 1. What is the probability of the stock's not going up in value?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?