hel At the end of Quarter 1, Winston’s math grade was a 72. He made a goal to improve his grade for Quarter 2 by focusing more in class and on homework. At the end of Quarter 2, Winston’s grade increased to an 80.

By what percent did Winston’s grade improve? show your work!

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given