Question

Which of the following is an irrational number?

-√121

∛(-125)

√(-25)

-∛9

In Mathematics contest, every correct answer is worth 3 points and every wrong answer is worth -2 points. If Julia answer 20 questions correctly and 5 wrong answers, what was her total points
1 point
30
40
50
60


with solution please!! Thanks!!

Answer 1

Answer:

$\sqrt{9 } option d$

Step-by-step explanation:

-cuberoot 9