Answer:
-83/51
Step-by-step explanation:
i used an app called Symbolab that solves any math problem for u
Answer: $15
There are about 4 weeks in a month, so if you spend $60 per month, you would spend 1/4 of that every week.
60/4= $15
<h2>
Answer:</h2>
Variance
<h2>
Step-by-step explanation:</h2>
The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma
, while the variance measures how far a set of numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as 
Please see the pic, I'd solved your question in it.
Is the number that satys the same the number that changes the number that conrtolles them