What is the percent increase from 3.5 to 3.5

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd