Tại sao nói thuế suất là yếu tố trọng tâm của các yếu tố cơ bản của luật thuế?

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?