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 is 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 is shown below,

Number of Pages (x)	Cost(y)
864	117.68
621	92.52
832	125.84
885	120.2
955	132.6
422	71.64
937	138.44
939	127.68
889	115.68
220	46.4

A student calculates a linear model
y= __?__ x + __?__ . (Please show your answers to two decimal places)

Use the model above
to estimate the cost when number of pages is 320

Cost = $ __?__.  (Please show your answer to 2 decimal places.)