Membership to a music club costs $130. Members pay $5 per music lesson and nonmembers pay $15 per music lesson. How many music lessons would have to be taken for the cost to be the same for members and
nonmembers?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54

If value of cos330° is √3/2 then find tan165°.