Letter A is a correct way because $9 * gigabyte = total cost (28.50)
Letter C is a correct way, It is the same as Letter A except they use an 'x' for multiplication.
Letter D is correct because 28.50/the cost of additional gigabytes($9) gives the amount of the gigabytes used.
Letter B is incorrect.
Step-by-step explanation:
To find the mean absolute deviation of the data, start by finding the mean of the data set. Find the sum of the data values, and divide the sum by the number of data values. Find the absolute value of the difference between each data value and the mean: |data value – mean|.
Answer:
Im pretty sure its x< 3
Step-by-step explanation:
Hello!
The sum at 5 years will be 8600.
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