Steven created the scatterplot and trend line below to model the relationship between the number of innings he pitched and the number of pitches he threw in a baseball game. Baseball Pitches A graph has innings on the x-axis and pitches on the y-axis. A trend line has a regression equation of y = 12 x. If Steven threw 87 pitches, about how many innings did he pitch? 5 6 7 cannot be determined; number of pitches is outside graph