For brainiest:):):):):)

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

Is the square root of 4 plus the square root of 16 rational?

Consider the function f(x)=-5x+3 what is f(-2)