Answer:
its C
Step-by-step explanation: cuz there no background info plz thank
The sum of the left side of these two equations is equal to the same of the right side is these two equations
4x+8y + (-4x+2y) = 20 + 30
10y =50 ( x is eliminated)
y=5
Take this into the second equation
-4x +2y = 30
-4x + 2*5 = 30
x=-5
So x=-5
y=5
Answer:
N
Step-by-step explanation:
the absloute value of -4 is 4
when you take the absolute value, you change any negative number into a positive number by removing the negative sign
The independent variable is the type of material the balls are made from
