2) Marcus wants to make his 16 oz candy bar last. Each day he eats half of whatever was left from the
previous day?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?