How many more people live in france than in australia

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting.find two equivalent expressions that would give the area of the new painting y+0.49y