Ok first of all, I EXTREMELY appreciate your use of parenthesis. Ok so first just raise both sides to the power of 1/2.

You'll see why I didn't include a negative. Then apply the log base 3/8 and you get

Then you split the log up and you get

You couldn't put a negative value for a log. That is why I excluded the negative part of the sqrt.
Step-by-step explanation:
<u>Substitute the point (-9, 2) into the inequality:</u>

<u>Simplify:</u>
False.
-3 isn't greater than or equal to -2.
(-9, 2) is not a solution of 
You multiply them so it would be 0.08
Answer:
2 inches per hour
Step-by-step explanation:
2 1/2 hours is equivalent to 150 minutes.
Set up a proportion; let x equal inches of rain
=
Cross multiply -> 150x=300
Divide both sides by 150 to get -> x=2
IQR= 18 is the interquartile range of his scores.