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

50:
40 is 10 less than 50
60 is 10 more than 50
Hi there ! i think is number one. or a
The answer is 30%. It would be like 70% is what you have left of the 100.