Thirty times a number plus twenty two

n= a number

writting algebric expression

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

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