Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below: Number of Pages...

Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below:

A student calculates a linear model
yy =  xx + . (Please show your answers to two decimal places)
Use the model to estimate the cost when number of pages is 285.
Cost = $ (Please show your answer to 2 decimal places.)