Answer: a = 
We want to isolate a. Add both sides by 2. Then we get u + 2 = 2a. To get just a, we can divide by 2 to get (u+2)/2.
Hope that helped,
-sirswagger21
Do you mean the probability of the die landing on a specific number? If so it would be 16.6 with 6 continuing on forever.
Answer:
8y=-11x-48
You have to subtract 11x bc the standard for is y=mx+b
Gillian earned $42.75 total. On Saturday (2.2 hours * 7.50 per hour) she earned $16.50. On Sunday (3.5 hours * 7.50 per hour) she earned $26.25. $26.25 + $16.50 = $42.75.