Statistics students in Oxnard College sampled 11 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 (xx)	Cost(yy)
399	52.89
400	50
320	37.2
403	49.33
303	35.33
819	100.09
961	113.71
656	81.16
342	55.62
771	99.81
755	86.05

Click to Copy-and-Paste Data A student calculates a linear model yy = xx + . (Please show your answers to two decimal places) Use the model above to estimate the cost when number of pages is 298 Cost = $ (Please show your answer to 2 decimal places.)