Instruction
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Choosing the Next Step
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Consider the steps to solve the equation
(y + 20) - 4 = (24 - 1)
Use the multiplication property of equality to isolate
Distribute
ty + 8 - 9 - 1oy - 20
What is the next step after using the distributive
property?
Use the multiplication property of equality to isolate
the variable term on one side of the equation
Use the multiplication property of equality to isolate
the constant on one side of the equation
Combine the like terms on the right side of the
equation
Combine the like terms on the left side of the
equation

y = 7

Step-by-step explanation:

1) The parentheses can be removed completely:  y + 20 - 4 = 24 - 1

2) Combining like terms results in y + 16 = 23

3) Subtract 16 from both sides to isolate y:

y = 7

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.