Use algebra tiles to find the difference. let one white tile equal +1 and one black tile equal –1.

6 – (–9)
a. 15;

b. 13;
c. –3;
d. 15;

Ben works in his dads bakery packing bagels each package can have no more then 16 bagels 3/4 of the bagels in each package are plain what other fractions could represent the part of the bagels in each package that will be plain