Hey, how do you do this? if you could give me the answer for number 1 and explain the process you will be awarded brainliest! : )

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.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?