Answer: n=9
Step-by-step explanation:
5n-12=3n+6
move 12 to the other side
5n=3n+18
then move 3n to the other side
2n=18
n=9
Answer:
B. 1.70
Step-by-step explanation:
Given:


Substituting the given values into the formula to find the test statistic z:

That would be 7.83x10^-7 or 7.83x10^+7 hope that this helps some if not plz message me
Multiply 20 by.80 to find the number of correct answers, which is 16.