Tyler and Haley are selling cookie dough for a school fundraiser. Customers have the choice of chocolate chip cookie dough or sugar cookie dough. Tyler sold eight packages of chocolate chip cookie dough and 12 packages of sugar cookie dough for a total of $244. Haley sold five packages of chocolate chip cookie dough and two packages of sugar cookie dough for a total of $92. write a system of equations and solve to find the cost of one package of chocolate chip cookie dough and one package of sugar cookie dough.

Match the one-to-one functions with their inverse functions.

Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firm’s production manager randomly samples 31 weeks and finds an average of 15.6 orders with a standard deviation of 2.3 orders. using a 0.025 significance level, test whether the mean number of orders has decreased. type the full 5 step procedure into the answer box, then for multiple choice practice, answer the following: 1. what is the name and symbol of the parameter that you are testing? 2. what is the symbol and value of the point estimate of that parameter? 3. what distribution are you using to test this parameter? 4. what is the critical value? 5. what is the test statistic value? 6. what is the p-value?

The dimensions of the rectangular pool shown below are 60 yards by 30 yards. a fence will be built around the outside of the deck. the ratio of the dimensions of the pool to the dimensions of the fence is 1/3. how many yards of fence should be purchased to enclose the deck?