Answer:
if we simplify then the answer is 7k
Step-by-step explanation:
can someone please answer my question from my profile.
I think that this an example of a paired t test. Since each student (subject) is given 2 treatments of the same material.
Answer:
x = 12
Step-by-step explanation:
5x + 15 = 75
-15 -15
5x = 60
x = 12