What are the steps to adding

2 1/4+2 5/8+3+3 1/8+3 1/4=​

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

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.