Consider the following data for a dependent variable y and two independent variables, 1 and 2. 108 179 Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary. a. Develop an estimated regression equation relating y to $1. y = + Predict y if 1 = 35. = b. Develop an estimated regression equation relating y to $2. + Predict y if $2 = 15. = c. Develop an estimated regression equation relating y to &1 and &2. + Predict y if $1 = 35 and $2 = 15. 1 =