Answer is in a photo. I can only upload it to a file hosting service. link below!
bit.
ly/3a8Nt8n
Answer:
4 times 8 times 4 equals 128
Step-by-step explanation:
mental math
A^2 -121 = a^2 -11^2 = (a-11)(a+11)
so the second choice is right sure
Answer:
The null hypothesis is 
The alternative hypothesis is
Step-by-step explanation:
From the question we are told that
The mean of method A is
The standard deviation of method A is
The mean of method B is
The standard deviation of method B is 
An appropriate set of null and alternative hypothesis to determine whether Method A increases students points by more than 3 points is
The null hypothesis is 
The alternative hypothesis is
B use the app Photomath it helps you with this kinda questions