X<12
<span>5(x+5)<85 </span>
<span>5(x + 5)/5 < 85/5 </span>
<span>x + 5 < 17 </span>
<span>x + 5 - 5 < 17 - 5</span>
6. $1,470
7. $7.88
8. $11.12
9. (dont hold me on it) 4.5522581%
3x4=12
12x5=60
Reya played the guitar for 60 hr.
-Jello-
Answer:49/8
Step-by-step explanation:7/8 times 7 is 49/8
Answer:
The correct option is b.
Step-by-step explanation:
The formula for standard deviation is

where,
is mean of the data and n is number of observation.
The variance of a stock's returns can be calculated by the above formula.
Variance of stock's returns is the average value of squared deviations from the mean.
Therefore the correct option is b.