Help I'll give you brainy est

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

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Solve the equation. 2x - 8(x+1)= 6(2x - 3)