Answer:
The answer is 25%
Step-by-step explanation:
150-120=30
30 divided by 120=0.25
0.25 times 100 (because percents are of 100)= 25%
formula: ([b-a)/a]x100
x=-3,x=9
x^2-6x-20-7=0
x^2-6x-27=0
x^2-(9-3)x-27=0
x^2-9x+3x-27=0
x(x-9)+3(x-9)=0
(x+3)(x-9)=0
20
one ans six are infinite
y=
Answer: JK
