A dozen is equal to 12 so you have to do 12 x 9 = 108.
108 ÷ 4 = 27 so there was 27 rolls in each box.
You can tell if lines are perpendicular or not by seeing if meet in a right angle. A right angle is like a square, and the lines would have to be 90 degrees.
One example is when the two lines (horizontal and vertical) meet each other at the ends.
(You MUST make sure that they are directly horizontal and vertical. If not, they will either be acute or obtuse).
I hope this helped!
Answer:B
Step-by-step explanation: i think it is the only one observing something tell me if i am wrong though
It's 3.74 rounded up to 4 the reason why it is that answer is because the formula to a triangle's Hypotenuse is A squared + B squared = C squared
Answer:
Correct choice is B
Step-by-step explanation:
The exponential regression model can be written as exponential function
Then
Thus,
When 
you get
