The area of a rectangle is 1.7 square units. the length is 3.4 units and the width is z units. what is the value of z? z=0.5 z=2 z=5.1 z=5.78

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.