For the following set of data, find the number of data within 1 population standard deviation of the mean.
Data Frequency
10
1
12
6
14
12
15
12
19
18
20
13
26
10
29
6
33
1

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Write the expression 7x^3-28xy^2 as the product of 3 factors