a) 3(x-9)= 3x -9
3x-27=3x -9
3x-3x=-9+27
x=18
b) 2x+3x=5x^2
2x+3x=( 5x)^2
2x+3x=25x
5x=25x
x=25x/5
x=5x
Answer:
-4/3
Step-by-step explanation:
Slope: (y2-y1)/(x2-x1)
(-5-3)/(-3+9) = -8/6 = -4/3
The slope is -4/3
Answer for part A is D. Answer for part B is -4.
