please answer

Question 1 sleep = 3840.83 - 0.163 TotWork - 11.71Edu - 8.70Age + 0.128Age- + 87.75Male (235.11) (0.018) (5.86) (11.21) (0.134) (34.33) n = 706 R2 = 0.123 R2 = 0.117 A. All other factors being equal, is there evidence that men sleep more than women? How strong is the evidence? B. Is there a statistically significant trade off between working and sleeping? What is the estimated trade off? C. What other regression do you need to run to test the null hypothesis that, holding other factors fixed, age has no effect on sleeping