Answer:
B. 4
Step-by-step explanation:
36/9=4, since 9*4=36. Therefore, the correct answer is B, 4. Hope this helps!
Some equivalent fractions are 2/6 , 3/9 , 4/12<span />
Answer:
The jar of chermical contains 66g of Zinc.
Step-by-step explanation:
The ratio of Zinc to Copper is 3 : 13
A jar of the chemical contains 286g of copper.
Let the mass of the Zinc be xg.
13/3 = 286/x
x = 3A286/13= 66g
So the jar of chemical contains 66g of Zinc.
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Explanation:</h2><h2>
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By using quadratic formula:





So the solutions are:
