Choose the linear function below that does not have the same y-intercept as the other functions

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.

Use sigma notation to represent the following series for 9 terms.

Angle that produces maximum distance