Answer:
Step-by-step explanation:
hello :
y= 5x + 9
y = -x +3
so : 5x+9 = -x+3
5x+x= 3-9
6x=-6
x=-6/6 = -1
Answer:
39;45
Step-by-step explanation:
students on the floor;total students
Just find the volume of a triangular prism.
volume=1/2*length*width*height.
He multiplied rather than dividing.

Hope this helps!
The slope is 2/1
to get slope you do rise over run