Which of the following expressions is equivalent to (-)?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³