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 data are shown below:

Number of Pages (xx)	Cost(yy)
571	63.81
889	106.79
652	67.72
636	65.96
988	110.68
566	64.26
546	70.06
236	29.96
737	77.07
680	80.8
715	80.65

A student calculates a linear model using technology (Statistics Calculator or Computer)

y = ________ x+ __________ . (Please show your answers to two decimal places) Use the model to estimate the cost when number of pages is 418. Cost = $ ___________ (Use the linear model with your rounded coefficients and then round your answer to 2 decimal places.)