Step-by-step explanation:

when b = 9, then

Answer:
The least common multiple of 18, 30, 42 and 48 is 5040.
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Answer: 2 1/4 in.
Step-by-step explanation:
make the denominaters the same (4) and then subtract 20 3/4 - 18 2/4 which is 2 1/4.
hope this helps let me know if you need anything else! :')
Answer:
C no es equivalente a 6/11.
Step-by-step explanation:
24/42 no es equivalente a 6/11 porque, cuando se simplifica, no es igual a este número. Si usamos el número 6 para simplificar, la respuesta a 24/42 sería 4/7, que no es igual a 6/11.
Answer: 1.09090909091
Step-by-step explanation: I hope it helps