2a+8a
Add 2 and 8.
2a+8a=10a
The first has no r , only 0 since it is a straight line.
Answer: the first one
Step-by-step explanation: just trust me ;)
Answer:
3 I did the test to btw
Step-by-step explanation:
did the test
<span>21.72%
The 68-95-99 rule states that 1 standard deviation from the mean will contain 68% (68.27 more specifically) of all data points. For each sample, we multiply the success rate for </span>.6827*.6827*.6827*.6827 =.2172 or 21.72%