Willy and billy each have a rock collection. • the number of rocks in willy’s collection can be represented by x. • the number of rocks in billy’s collection is 2 2 3 times the number in willy’s collection. • the total number of rocks in both collections is 110. what is x, the number of rocks in willy’s collection?

Rob is investigating the effects of font size on the number of words that fit on a page. he changes the font size on an essay and records the number of words on one page of the essay. the table shows his data. which equation represents the approximate line of best fit for data, where x represents font size and y represents the number of words on one page?