Correct answers are listed and bold. Can you please tell me how to solve for each of these, thanks.

1. Pam's Stables used two different independent variables (trainer hours and number of horses) in two different equations to evaluate the cost of training horses. The most recent results of the two regressions are as follows: Trainer's hours: Variable Constant Independent Variable r2 -0.56 Coefficient $913.32 $20.90 Standard Error $198.12 $2.94 t-Value 4.61 7.11 Number of horses: Variable Constant Independent Variabl