(17-12)+4×7 =?

please xplain how you got the answer

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

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.

Average acceleration: i have no idea how to do this.