Step-by-step explanation:

Answer:
Yes
Step-by-step explanation:
She has enough money because 7% tax on a 10.00$ item would be 7% of 10.00$ which is 70 cents.
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➷ Standard deviation = 
Substitute the values in:
= 8.1975...
This can be rounded to give an approximate answer of 8.2
The answer is option A.
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Pyramids and cones have volumes which are one third of their matching cuboids and cylinders.
The volume of this pyramid = (7 x 9 x 10)/3 = 630 / 3 = 210 cu ft