Is the approximate difference in tenths between 12 squared and 15 squared

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f