Answer: B. 6cm and 7cm.
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Answer:
the answer Is D yiur welcome :
1. Reverse the numerator and denominator of the second fraction and change the division sign to a multiplication sign
2. Multiply the 2 fractions (By multiplying the numerators and the denominators).
3. Simplify is necessary.
Hope this helped!
Density is mass÷volume
Step-by-step explanation: