C because I did the math on an app so it’s right
Step-by-step explanation:
It E = 8, -3
Answer:
-2
Step-by-step explanation:
-9/3=-3
-3+b=-1
b=-1+3
b=-2
Answer:
Paired test
Step-by-step explanation:
The above research is carried out using a set of participants who were used to gather data under two different conditions. When this type of research is performed there is a match between the two conditions based on the subjects used, hence, we can pair the condition with the subject to obtain a matched pair. This sort of test also called the dependent sample t test. Thses type of test is ideal when the data is quantitative and the data obtained from two groups are dependent.
Answer:
She walked neighbor's dog 4 times.
Step-by-step explanation:
It is given that:
Peri earned $27 for walking the dogs 3 times.
Unit rate =
Unit rate = $9 per dog
Now,
Peri worked at the same rate and earned $36.
Unit rate = 

d= 36/9
d = 4
Therefore,
She walked neighbor's dog 4 times.