There are 3 seniors for every 2 juniors in the concert choir. if there are 21 seniors in all, how many jurors are in the concert choir

Which polynomial is in standard form? 3xy+6x®y2 - 4x4y + 19x? y* 18x5 - 7x{y-2xy2 + 1774 x5y5 - 3xy - 11x? y2 +12 15+ 12xy2 - 11x®ys +5x? y2 ?

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1

The number of students who ride a school bus is 110% of the number of students who walk. how many students ride the school bus?