Ineed assistance with this math problem.

Evaluate the given expression if m=45 |-3m|

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.