3*(4*5)=(3*4)*5

8+(-9)=?

Consider rolling a number cube. What is the probability you will roll an even number?

5x + 6 + -2x

Suppose you roll a number cube then flip a coin. What is the probability you get a 6 and a heads?

4(5+8)=4(5)+4(8)

6*(-3) =

Consider rolling a number cube. What is the probability you will roll a number larger than 2?

-8x + 5 - 2 - 5x

Suppose you roll a number cube then flip a coin. What is the probability you get a number larger than 4 and a heads?

If x=6 then 6 = x

2 + 6 + 4 + 8

Consider picking a marble from a bag containing 4 RED, 5 GREEN and 8 WHITE. What is the probability it will be Green?

4(3x + 5) =

Consider picking a marble from a bag containing 4 RED, 5 GREEN and 8 WHITE. What is the probability you will pick two green marbles (with replacement)?

5+0=5

2/3 * 8 * 6 * 0 * -6

Consider picking a marble from a bag containing 4 RED, 5 GREEN and 8 WHITE. What is the probability it will be Green or Red?

-2(4x - 6) =

Consider picking a marble from a bag containing 4 RED, 5 GREEN and 8 WHITE. What is the probability you will pick two green marbles (without replacement)?

6+(8+5)=6+(5+8)

6 + 15 + 7 + (-15)

Consider picking a marble from a bag containing 3 RED, 5 GREEN and 8 WHITE. What are the ODDS against it being green?

4(6x + 2) - (x + 8) =

Consider picking a marble from a bag containing 4 RED, 5 GREEN and 8 WHITE. What is the probability you will pick 3 RED marbles (without replacement)?