Answer:
13
Step-by-step explanation:
Mean would mean average, which in this case is 
so your equation would look like 
Next multiply both sides by to clear the fraction 
to get 
Subtract 69 from both sides 
you get 
Answer:
6
Step-by-step explanation:
y + 1
= 7
y +
= 
y = 40/6 = 20/3 = 6
The answer to this question mark will do it all in a few weeks to make it happen again this week at the end
Answer:
B (r= 1/6s)
Step-by-step explanation:
If you just work out each option, you'll see that "s" multiplied by 1/6 gets r.