You are adding 6 to each number. (N-1)+6, I guess
Answer: 80
Step-by-step explanation:
We can use the formula
, where
are the lengths of the diagonals.
By the distance formula,

So, the area is 
The price of each taco is $10.5
What is unitary method?
We can solve this question by unitary method.
The unitary method is a method of finding the value of one unit and then finding the value of the required number of units. While solving a problem it is important to recognize the units and values.
In this question, 10 tacos cost $105.
Let's represent the cost of 1 taco as
10 tacos =$ 105
1 taco = 
10
= 105
= 
= 10.5
Each taco cost $10,5
To read more about unitary method,
brainly.com/question/1955459
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0-0.59 because the number has to be less than 0.6 and all numbers up to 0.59 are not greater than 0.6