Molly wants to buy a dress that cost $20. She has a coupon for 40% off and there is a 10% sales tax. After using the coupon what is the sale price of the dress?

I'm confused on this could anyone me and show me what i need to do to solve it.

When is g(x) = 0 for the function g(x) = 5.23x + 4?

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28