In plain and short, we simply divide 5 by (1+2+3) and then distribute the pieces likewise

add the ratios up, and you'll get 5.
Answer:
2.7930 × 
Step-by-step explanation:
1.9 × 105 × 140 = 27,930
Scientific notation: 2.7930 × 
The slope of line D is also -4 because the lines are perpendicular.
Answer:
C & D
Step-by-step explanation:
x² + 3x - 3 = 0
a = co efficient of x² = 1
b= co efficient of x = 3
c = constant = -3
roots = (-b ±
)/2a
= (-3±
)/2*1
= (-3±
)/2
= (-3±√21)/2

Your answer ---> D . 2 2/9