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 (x) Cost(y)

602 46.1

370 28.5

674 42.7

962 59.1

695 35.75

840 46

950 62.5

490 40.5

345 16.25

813 59.65

A student calculates a linear model

y =_____x+_____. (Please show your answers to two decimal places)

Use the model to estimate the cost when number of pages is 658.

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