Answer:
well all of these look like a way so we have to use elimination method
A : random number tables : well it has random numbers so X out
B: PHONE NUMBERS: well phone numbers are random so X out
C: USing the internet : totally X out
D: books of random numbers: X out
so none of the above i guess
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Add sides 9


Subtract sides 6z


Divide sides by 2


Thus ;






Done...
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Use the website: mathpapa.com/algebra-calculator.html
Answer:
d= 3h-6
Step-by-step explanation:
h= d/3+2
h-2= d/3
d= 3(h-2)= 3h-6
Answer: 62.5 percent
Step-by-step explanation: