Answer if you are right you will get brainiest Pls Hurry ASAP . Ps you get 20 points

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.

Solve the equation by completing the square. x^2+2x=17

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?