When the first harry potter movie came out, "the sorcerer's stone," a local book store marked all the harry potter books up by 40.5%. if "the sorcerer's stone" paperback cost $7.37 before the movie came out, how much did it cost after the mark up?

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

[tex]5 \times1 \frac{12}{13} [/tex] me