servers' collected tips customers- 54 46 34 67 52 22 49 64 55 80 38 42 tips($)- $92 $80 $76 $121 $109 $43 $87 $114 $99 $174 $88 $91 b) find the equation of the trend line(line of best fit). show your work. c) predict the amount of tips that would be collected if 100 customers were served at the restaurant on a given day. ex[plain your reasoning. d) explain how to use the regression calculator to make a reasonable prediction given a data table.