All real numbers that are less than 6 and greater than 2​

What is the simplified expression for 6(2(y+x))

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.