Do anyone know how to rp

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

Which number line correctly shows 0.8 + 0.3?

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points