At a local fitness center, members pay anan $88 membership fee and $44 for each aerobics class. nonmembers pay $55 for each aerobics class. for what number of aerobics classes will the cost for members and nonmembers be the same?

If the value of cos330°is√3/2 then find cos 165°.

Vertical angles must check all that apply

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.