3 x 8 = 24
24 + 9 = 33
"the number" = 8
Answer:
35.7%
Step-by-step explanation:
The change is 45 dollars. (120-75)
The percent of change is the dollars divided by the original price.
45/120=0.357
Or 35.7%
Answer:
A
Step-by-step explanation:
because it is is parenthesis
Answer:
equal to
Step-by-step explanation:
two negatives equals positive
Answer:
The test statistic is 
Step-by-step explanation:
From the question we are told that
The population mean is 
The The level of significance is 
The sample size is n = 18
The null hypothesis is 
The alternative hypothesis is 
The sample mean is 
The standard deviation is 
Generally the test statistics is mathematically represented as

substituting values

