Answer:
A
Step-by-step explanation:
The interquartile range is the difference between the upper quartile and the lower quartile, that is
interquartile range =
- 
5x+2y=7
y=x-7
5x=7-2y
5x=7-2(x-7)
5x=7-2x+14
5x+2x=7+14
7x/7=21/7
<u>x=3
</u>y=x-7
<u />y=3-7
<u>y=-4
</u>
Answer is B<u>
</u>
I think the answer is D) 36
Answer:
134.77
Step-by-step explanation: