Am i correct?
if not explain how to solve it.

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

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

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters