Answer: 
Step-by-step explanation:
For this exercise it is necessary to remember the following:
1) The Distributive Property states the following:
2) The multiplication of signs:
Knowing this, and having the following expression given in the exercise:
You can apply the Distributive property multiplying 
and 
, which are inside the parentheses, by 
.
So, you get the following result:
4(2x - 1) = 9(x - 4)
8x - 4 = 9x - 36
x = 32
i am a mathematics teacher. if anything to ask please pm me
Answer:
Data set B has less variability then Data Set A because the range of B is 29 and the range of A is 30.
Step-by-step explanation:
The range of Set A is 44-14 = 30 and the range of B is 38-9 = 29.
Answer:
3.33 hours
Step-by-step explanation:
Take the total bill minus the flat charge. ($300 - $50 = $250)
Then take that amount and divide by the charge per hour.
($250/$75) = 3.33 hours
Answer:
it's a bit blurry but if I aint wrong it's the 2nd one that say 2/5
