Answer:
<u>Step-by-step explanation: being random if the periodic interval is determined beforehand and the starting point is random</u>
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You just need to isolate the d. So divide both sides by seven. You should end up with d=8
Answer:

Step-by-step explanation:
Given




Required
Determine the probability of getting a red chair, next.
First, we nee the total number of chairs


Probability of getting red is then calculated as thus;



The answer is D because 48*8= 384 and 54*9=418 add 384 and 418 the answer is 870.