Answer:
i would say 40 for 4$
Step-by-step explanation:
bc ur getting double amount for 2$ and it will last longer
A function is positive if it lies above the x axis.
This function is positive before x = -4, i.e. over the interval 
It is negative elsewhere, i.e. over the interval 
So, the only correct option is the second one.
A.32 it’s not very complicated you just have to find the value of A and B then multiply them together
Answer: b. finding all studies published on a topic, calculating the effect size for each of those studies, and averaging the effect sizes together to find the average size of the effect across all studies.
Step-by-step explanation:
The answer is:
(null hypothesis) u=2.7; Ha(alt hypothesis): u<2.7