The product is equal zero if one of the factors is equal zero.Therefore:
Across the large angle is going to be large side, then AB is going to be larger than DF.
Start at (0, 72), then (1, 64), (2, 56), ETC. I hope you see the pattern! Do it until you reach (9, 0)
<span> To find 55% of 120 books, multiply 120 x .55
Then add that answer to the original 120.</span>
120 + 55% = 186
