Answer:
The answer is 21
Step-by-step explanation:
21x4+2=86
Answer: $768.50
Step-by-step explanation:
If $725 was the price before sales tax, $768.50 would be the total amount after the 6% sales tax increase.
***If you found my answer helpful, please give me the brainliest. :) ***
She now has $122. If you add $55 and $67, since that is how much she earned doing chores, it will give you your answer. Hope this helped!
Why not look up "standard deviation" yourself, to be sure? But yes, the std. dev. is the sqrt of the variance.
