Answer:
This question is only if 25 points. And you have typed 50 points.
Answer is 16-4-2-1
Answer:
1. B 2. C
Step-by-step explanation:
1. x^2-18x+(18/2)^2=19+(18/2)^2
(x-18/2)^2=100
(x-9)^2=100
x1= -1 x2= 19
2. x^2=81
x=+-9
x1=-9 x2=9
Answer:
1245
Step-by-step explanation:
To use the elimination method, you have to create variables that have the same coefficient, then you can eliminate them.
