Aticket to the symphony costs $27 for adults and $10.50 for children.
a. write an expression for the total ticket cost in dollars if a adults and three children attend the symphony.
b. write an expression for the total ticket cost if two adults and c children go to the symphony.

Astudy found that the variance in the number of vehicles owned or leased by subscribers to a magazine is .094. assume a sample of 12 subscribers to another magazine provided the following data on the number of vehicles owned or leased: 1,1,1,0,3,2,1,1,2,1,0, and 1 a) compute the sample variance in the number of vehicles owned or leased by the subscribers (to 4 decimals). b)test the hypothesis to determine whether the variance in the number of vehicles owned or leased by subscribers of the other magazine differs from .calculate the value of the test statistic (to 3 decimals).