Which graph represents a function with direct variation?

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 is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Which unit rate is the lowest price per ounce? (5 points) choice a: 6 ounces of chocolate chips for $2.49 choice b: 8 ounces of chocolate chips for $3.32