I wrote out the steps on the attached slide. I hope I'm able to help you, Sweetie.
Answer:
x=20
Step-by-step explanation:
Let the number be x
(x-8)-12=0
x-8-12=0
x-20=0
Add 20 to both sides
x=20
Good for Megan............
2X^2+22x+318=1270
2x^2+22x-952=0
x^2+11x-476=0
(x+28)(x-17)=0
x=17
Look at the table for the people that used Lithium.
There are 18 relapses, 6 No relapses with a total of 24 people.
The relative frequency for relapse, would be dividing the number of relapses by the total number of people.
This would be D. 18 / 24 = 75%
