Help pls!
Which equations have 6 as a solution?
12-d= 6
d + 8 = 14
9d = 54
18-d=4
Select all the equations that have 6 as a solution.
A. 9d = 54
B. 12-d = 6
C. d + 8 = 14
D. 18 = d = 4
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93