Factor the expression -18+42x

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?