What are the five fundamentals to graphic design

What is the answer to |-2x-5|-|-4+8| and x=7

Which graph represents the following piecewise defined function?

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.