Staples is having a sale where you can buy 2 notebooks and get 25% off of one of them. If Ms. Shield buys six notebooks that each were originally $10.50, and pays a sales tax of 7%, what will her final total be? Round your answer to the nearest cent. Also please show work

Use the distributive law to multiply. 3(4x + 5y + 6)

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]