I think it would be A because that side looks double the size. Hope this helps!
Answer:
2
Step-by-step explanation:
A function is when the y value doesn't repeat. the x can repeat infinitely but the y can not to be a function.
The y value is the second number in each set and it doesn't repeat so this IS a function
Answer:
x = -2
Step-by-step explanation:
hello :
the system is : 3x-5y=10 ...(*)
-x+3y=-6...(**)
multiply (**) by : 3 you have : -3x+9y = -18 ...(***)
add (*) and (***) : 4y= -8 so: x = -2