In the polynomial below, what number should replace the question mark to produce a difference of squares? x² + ?X-49
A. 49 B. 14 c. 7 D. O

What’s 8y+48 and factor each expression completely

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.