Hmmmmmmmmm...............:....
So your variable are these
x= # of accountants
x+10= # of supervisors
4(x+10)= # of mechanics
So you get the equation x+ (x+10) + (4x+40) = 230
and you solve for x
6x + 50 = 230
6x = 180
x=30
so accountants = 30
supervisors = 40
Mecahnics = 160
Consider the expression 
Group first two terms and second two terms:
In first brackets the common factor is 
and in second brackets the common factor is 
Then
Answer: correct choice is A.
Answer:
y= -2x+3
Step-by-step explanation:
the y intercept is 3 and it is decreasing by 2 so it is -2
