(x-4)/(3)(x+5)(x-5)
In order for the rational expression to be undefined, the denominator must be equal to 0.
Thus, set 3(x+5)9(x-5)=0
x=5 and -5
Answer:
I think the answer is 60 or 70 or 65
$63 000 ÷ 12
$5 250 ÷ 36
$145.83 should be put aside for retirement each month
Answer:
There is a total 50 questions.
Step-by-step explanation:
Let x = total questions in the exam
Since 82% of the test was scored correctly, that means 18% of the student's exam was scored incorrectly.
With this information we can write:
(Given that the student made 9 mistakes)
(divide 18% on both sides)

∴ There was a total of 50 questions in the examination.
Power=work/time
Fd/t=P
Pt/F=d
therefore, the answer is A