Answer:
b
Step-by-step explanation:
the 20x(8+2) is just two times greater as its 200 instead of 100 which is the other answer
Answer:
There is only one number from 21-25
Answer:
Step-by-step explanation:
y=x²-2x-1
and y=-3x+5
x²-2x-1=-3x+5
x²+x-6=0
x²+3x-2x-6=0
x(x+3)-2(x+3)=0
(x+3)(x-2)=0
x=-3,2
when x=-3
y=-3×-3+5=9+5=14
when x=2
y=-3×2+5=-6+5=-1
so solutions are (-3,14) and (2,-1)
The answer is 3!
P.S. Brainliest would be awesome! i am trying to rank up and this will really help! i only need one more brainliest!