How many different combinations of “on” and “off” are possible with 8 “light bulbs”?
Answer: The total number of combinations of "on" and "off" that are possible with 8 "light bulbs" is 
Therefore, 256 different combinations of “on” and “off” are possible with 8 “light bulbs”
Answer:
Raj can look on his pay stub to find the total is $400
Step-by-step explanation:
The relation between the deposit and the total pay is ...
deposit = 0.40 × total pay
total pay = deposit / 0.40 = 160/0.40 = 400
Raj was paid $400 this week.
Answer:
a = h-7
Step-by-step explanation:
h = a+7
Subtract 7 from each side
h-7 = a+7-7
h-7 =a