At a local fitness center, members pay a $12 membership fee and $2 for each aerobics class. nonmembers pay $4 for each aerobics class. for what number of aerobics classes will the cost for members and nonmembers be the same?

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.