The median is 42, the lower is 36, and the upper is 86
First calculate the sum or difference: 8+(8+9)-19 x 5.
Second calculate the product or quotient: 8+17-19 x 5
Third calculate the sum: 8+17-95
Lastly subtract 25 - 95.
Then your answer is -70. Please give brainliest!
Answer:
Following are the solution to the question:
Step-by-step explanation:

z-score for
will be:
z score for will be:

using excel method to calculate the value.
(h-3k)/2k=-3/4
h-3k=-6k/4
4h-12k=-6k
-12k=-6k-4h
-6k=-4h
Solution: k=2/3h
I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!
Answer:
1)4x+4y=1, 6x−y=1
x+y=4, x−y=2
x+y=−2,x+2y=2
2)2x+y=3, 2x−8y=19
Step-by-step explanation:
hope this helps
have a nice day ^_^