Answer:
1) commutative property of addition
2)associative property of addition
3) commutative property
Step-by-step explanation:
1) You switched the numbers in the parenthesis, which in this case is 3 and 4.
2) You just moved the parenthesis which in this case is (1+2) to (2+3)
3) You switched the numbers in the equation
Answer:

Step-by-step explanation:
To convert from feet to yards, divide by the value 3.
It's 280706 keeping all the place values together in the order
Answer:
C. 0.10
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is

In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: Goes to the city playoffs
Event B: Goes to the state playoffs.
In Littletown, the probability that a baseball team goes to the city playoffs is 0.20.
This means that 
The probability that the team goes to the state playoffs given that the team goes to the city playoffs is 0.50.
This means that 
What is the probability that a randomly selected team from Littletown goes to the city and state playoffs?
This is
. So


The correct answer is given by option C.