Consider the model: log (wage) = + female + graduate + female * graduate + u , where graduate is a dummy variable (1 if the person has graduated from college, and 0 otherwise), and female is a dummy variable (1 if the person is female, and 0 otherwise). Which of the following measures the return of graduating from college for men?

	a.	+
	b.	+
	c.	+
	d.	+

Consider the frame and loading shown in the adjoining figure. The temerature acts on the full length of members BC and CD Use the dimensions and applied actions in the tables below. A) For the combined actions of distributed load and change in temperature, determine the following: 1) Vertical reaction at A 2) Maximum moment in AB B) For the change in temperature only: 3) Uniform strain component &T in BCD 4) Curvature PT in member BCD C) For the combined actions of distributed load and change in temperature 5) Vertical displacement AE at point E 6) Relative rotation rel pc at point C (Specify the direction of rotation of member CD relative to CB) Enter your answers in the space provided. Dimensions and section properties: a b d t EA EI 2 4.5 m 5.5 m 3.7 m 3 m 0.3 m 215000 KN 5 6 7375 kNm 0.00001 1/C Provide Answer for the followings to an accuracy of 2.5% Absolute Value Unit A) Intermediate results for the case of combined actions Vertical reaction at point A, Ax= Maximum Moment in AB MABmax= B) Intermediate results for the case of change in temperature only 3 Uniform strain component in BCD Not required caused by temperature only &T= Curvature in BCD caused by temperature only = Applied actions: C) Deformation for the case of combined actions Vertical displacement at E AE= Relative rotation at point C rel Qc= Direction W AT AT 18.1 kN/m -7 C 20 C T b C A W AT2 B C t AT D E