What two dimensional figure will be created by a horizontal cross section

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

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13