Answer:
Step-by-step explanation:
<u>Roots:</u>
<u>The equation:</u>
- (x - x₁)(x - x₂) = 0
- (x - (-3))(x - 5) = 0
- (x + 3)(x - 5) = 0
- x² + 3x - 5x - 15 = 0
- x² - 2x - 15 = 0
Answer:
4:3
Step-by-step explanation:
8/2=4
6/2=3
Answer:
C
Step-by-step explanation:
The expression is x>55 and 55 isn't included
Answer: Percent decrease by 50%
to get from 18 to 9, it’s 9/18 which is 1/2, and 1/2 of 100 is 50.
I'm not 100% sure but try A.