One pen costs \(\$\)0.25 and one marker costs \(\$\)0.35. At those prices, what is the total cost of 18 pens and 100 markers?
A dataset contains the numbers 5, 7, 9, 11, 13, and 15. What is the standard deviation?
The median of 10, 15, x and y is 18.5, and x < y.
| Column A | Column B |
|---|---|
| \(x\) | 22 |
One pen costs \(\$\)0.25 and one marker costs \(\$\)0.35. At those prices, what is the total cost of 18 pens and 100 markers?