Answer:
x = 1. x = - 5/4
(Plz excuse me if it's wrong lol)
f(x)=13x[+4. that one is the Correct answer. I hope it help.
X = 23
Y = 129
Hope this is helpful!
1/3
Step-by-step explanation:
The number of people over 40 is 20 + 30 + 35 = 85.
So the probability is 85/255, which reduces to 1/3.