Hilda cuts a ribbon into2 equal pieces. then she cuts 4 inches off one piece. that piece is now 5 inches long. what was the length of the original ribbon?

Which number line correctly shows 0.8 + 0.3?

I'm marking the brainliest and it's 15 points

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.