If I was 15 ft tall and I grew 17 yards how much have I grown

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0