-3|x|=9, what is x? I wrote that x = -3, but I guess that's wrong?

It is correct

Step-by-step explanation:

It is correct since the product of 2 negatives is always a positive:

Also since it is the same number being multiplied the answer is a square number:

that is why the square root of anything is known as ±.

Since there are 2 solutions, this also explains why there are 2 solutions in a quadratic equation.

answer: ur v dumb

step-by-step explanation:

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i