Answer:
a=3
Step-by-step explanation:
x – 2y = 4
ax– 6y = 12
To have infinitely many solutions, the two equations have to be equal
Multiply the first equation by 3
3x -6y = 12
ax -6y = 12
a = 3
The XYZ is a right angled triangle(90)
what subject is this?
I cant really tell what subject this is
2x + 4
I hope this helps!
