Answer:
11
Step-by-step explanation:
You will move the 7 to 18 but bc there is a equal sign you will change the positive sign to negative and just solve -7 plus 18 you will get 11 and that’s b
18 = 7/b
18b=7
b=7/18
3003 cm³
21cm × 13cm × 11 cm = 3003 cm³
42
7x6
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umm im sorry but there is no graph