Answer:
(3x+7)(x+5)
Step-by-step explanation:
i think lol
Answer:
$20
Step-by-step explanation:
50% of Fundraising goal= 0.5 x $40
= $20
Answer:
sorry this is for points
Step-by-step explanation:
Answer:
Im pretty sure its the top right sqaure.
Step-by-step explanation:
Answer: 2.460
Step-by-step explanation:
The formula of Margin of Error for (n<30):-

Given : Sample size : n= 18
Level of confidence = 0.90
Significance level : 
Using the t-distribution table ,
Critical value : 
Standard deviation: 
Then, we have

Hence, the margin of error (ME) of the confidence interval with a 90% confidence level = 2.460