The missing number in the given data that has a mean of 79 is: 60.
<h3>How to Find the mean of a Data?</h3>
The mean of a data set is simply the average, that is, it is the sum of all data values divided by the number of data values.
Let x represent the missing number in the data. If the mean is 79, we would have the following:
(89 + 74 + 92 + 80 + x)/5 = 79
(335 + x)/5 = 79
335 + x = 5(79)
335 + x = 395
x = 395 - 335
x = 60
Missing number is: 60.
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Option A
The new price is $ 
<h3><u>Solution:</u></h3>
Given that, a stock was priced at $ 
per share.
It rose in price by $ 
per share.
New price = old price + rise in price
Thus to find out the new price, we have to add old price and rise in price
On solving we get,
On converting to mixed fraction,
Hence, the new price is , so option A is correct.
Answer:129
Step-by-step explanation:
630/5 is 126. Add 126, two numbers below it, and two above it. So, 124+125+126+127+128=630. The next page is 129
(9x - 5y)(2x + 3y)
9x(2x + 3y) - 5y(2x+ 3y)
9x(2x) + 9x(3y) - 5y(2x) - 5y(3y)
18x² + 27xy - 10xy - 15y²
18x² + 17xy - 15y²
