Mr. robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. me. chang bought that same novel at a different bookstore for 10% off its regular price of $25. which person received the better discount

mr Robinson

Step-by-step explanation:

really just a guess but since it's 20% off it would make the price some what in the $15 price range but then Mr Chang would also get a good deal because I guess it would also be in the $15 price range too so I'll go with mr Robinsons deal

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x