What is the unit rate of 162water bottles in 9 cases

#12 find the value of x. #13 find the value of the variable.

Find the value of x for which the lines are parallel.

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.