Escribe como estan formados los siguientes numeros: 678=
5.001=
24.853=20.000+4.000+800+50+3
8.760.502=
203.539=

Two lines parallel to a third line are parallel to each other. always sometimes or never

What is r i 4.5+10r=-6.5 with work pls

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so