Cindy is selling circus tickets. On the first day she sells 4 adult tickets and 9 children's tickets for a total of $108. On the second day she sells 5 adult tickets and 6 children's tickets for a total of $103.50. Determine the cost of an adult's ticket and a child's ticket. Use a to represent the cost of an adult ticket. Use c to represent the cost of a child's ticket. Write a equation to represent the sales from day 1. Write an equation to represent the sales from day 2. Use the elimination method to solve the system of equations.

Someone . me. compound probability

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?