Work: -3p-(-8+4p)
Distribute
-3p+8-4p
Combine
-7p+8
Answer: -7p+8
Hope that helps
Answer:
89.84375
Step-by-step explanation:
Given that on a finance exam, 15 accounting majors had an average grade of 90. On the same exam, 7 marketing majors averaged 85, and 10 finance majors averaged 93.
To find weighted mean.
Here weights can be considered as number of majors in each subject

Weighted total = 1350+595+930 = 2875
Weighted mean = weighted total/total students

Answer:

It's change of subject. :)
Answer:
-0.01
Step-by-step explanation: