1: "If x = y, then x + 4 = y + 4" represents the ________ property of equality. Question 1 options: A) addition B) substitution C) subtraction D) transitive 2: If D is a supplementary angle of E and F is a supplementary angle of E, then which of the following statements is true? Question 2 options: A) E F B) D E C) D + E F D) D F 3: Which of the following is a biconditional statement? Question 3 options: A) If a shape is a quadrilateral, then it has four sides. B) If a shape doesn't have four sides, then it isn't a quadrilateral. C) A shape has four sides if and only if it's a quadrilateral. D) If a shape has four sides, then it's a quadrilateral. 4: Identify the conclusion of the following conditional statement: She will go to work if she recovers from her cold. Question 4 options: A) She will go to work. B) She doesn't recover from her cold. C) She won't go to work. D) She recovers from her cold. 5: Solve the equation, 2x + 1 = 3, for x. Which of the following properties of equality did you apply? Question 5 options: A) Addition and division B) Subtraction and multiplication C) Addition and multiplication D) Subtraction and division 6: If ABC and CBD are supplementary angles, then mABC + mCBD = 180 represents the definition of Question 6 options: A) triangle sum. B) congruence. C) complementary angles. D) supplementary angles. 7: If BD is the angle bisector of ABC, then "ABC ABD + DBC" represents which of the following? Question 7 options: A) Angle addition postulate B) Symmetric property of congruence C) Addition property of equality D) Transitive property of congruence 8: Which of the following is an open statement? Question 8 options: A) An angle that measures 95 is an obtuse angle. B) An angle that measures 40 is an acute angle. C) An angle that measures 95 is an acute angle. D) XYZ is an acute angle