A) x + y = -80
B) 3x = y
x + 3x = -80
4x = -80
x = -20
y = -60
The answer is 5 .
3 3/4 / 3/4 = 5
Hope this helps
Answer:
A function rule describes how to convert an input value (x) into an output value (y) for a given function. An example of a function rule is f(x) = x^2 + 3.
Step-by-step explanation:
.55*X=231 .....X=231/.55.......X= 420
C it’s wrong so don’t listen to me