Which of the coordinates presented in the list of options are the vertices of a right isosceles triangle?

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.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

What function has a range {yly< 5}? question on picture above^