6x² + 12x = 0
6x(x + 2) = 0
1. 6x = 0
⇒ x = 0
2. x+2 = 0
⇒ x = -2
Solutions are: {0, -2}
The answer is H because per every 3 parents there is 45 students, 45/3 is 15 and if you look at H y1= x15 and y2=x30 and so n so
.87 is correct you can always check your work with an online calculator. :)